The slope of the trend line is the rate of change of the dependent variable to the rate of change of the independent variable.
What is the slope of a scatterplot?Slope describes how variable Y changes when variable X increases in size. The slope is positive if variable Y also increases; however, if variable Y decreases, the slope is negative.
The amount of "scatter" in the scatterplot is referred to as the plot's strength.
The data's rate of change is shown by the slope of the trend line. It is the ratio between the rate at which the dependent variable changed and the pace at which the independent variable changed.
The slope is a measure of the value of correlation.
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Complete question:
When finding the slope of a trend line, what does the slope mean about the data of the scatterplot
what is female reproductive system ???
...
explain it here please ..
..
will anybody become my friend here
i'm new
The female reproductive system is a complex system of organs and structures that are responsible for the production of eggs, fertilization, and the growth and development of a fetus during pregnancy. The reproductive system consists of the ovaries, fallopian tubes, uterus, cervix, and vagina.
The ovaries are two almond-shaped organs located on either side of the uterus, and they are responsible for producing eggs and the female sex hormones estrogen and progesterone. The eggs are then released into the fallopian tubes, which are narrow tubes that extend from the ovaries to the uterus. Fertilization occurs in the fallopian tubes when a sperm cell from a male partner meets an egg cell from the female partner.
The fertilized egg then travels through the fallopian tube and into the uterus, where it implants and begins to grow into a fetus. The uterus is a pear-shaped muscular organ that expands during pregnancy to accommodate the growing fetus. The cervix is the lower part of the uterus that connects to the vagina, which is a muscular tube that extends from the cervix to the external genitalia.
The female reproductive system is regulated by the complex interaction of hormones, and it is responsible for maintaining the menstrual cycle, pregnancy, and childbirth. Proper care and maintenance of the reproductive system are important for overall health and well-being.
I hope this information helps you understand the female reproductive system better.
I really need help with Biology 102 ASAP!!!! but it's due date: Apr 17, 2023 at 11:59 PM EDT
Questions on Unit 8: 3 and 4
1: (axons, cell bodies and dendrites).
2. (oligodendrocytes and Schwann cells).
3. (nodes of Ranvier, interneurons and internodes).
4. (in both directions, quickly and slowly) and (in one direction, quickly and more slowly).
5. (the central nervous system, the peripheral nervous system and both the peripheral and central nervous system).
Sensory neurons, interneurons, and motor neurons are three types of neurons that make up the nervous system.
What are the sensory, interneurons, and motor neurons?Sensory neurons: Sensory neurons are responsible for detecting stimuli, such as light, sound, touch, or temperature, and transmitting this information from sensory receptors to the central nervous system (CNS).
These neurons have specialized receptors on their dendrites that respond to specific types of stimuli. For example, photoreceptor cells in the eye respond to light, while mechanoreceptor cells in the skin respond to touch and pressure.
Interneurons: Interneurons are located within the CNS and are responsible for processing and integrating information received from sensory neurons. They receive signals from sensory neurons and other interneurons, and then transmit this information to motor neurons or other interneurons.
Interneurons play a key role in the complex processing of information that occurs within the CNS, including memory, learning, and decision-making.
Motor neurons: Motor neurons are responsible for transmitting signals from the CNS to muscles or glands, resulting in movement or secretion. They receive input from sensory neurons and interneurons and then produce a response, such as contracting a muscle or secreting a hormone.
Motor neurons are classified into two types: somatic motor neurons, which control skeletal muscle movements, and autonomic motor neurons, which control involuntary responses, such as heart rate and digestion.
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Water is able to dissolve sodium chloride because
A. The polar areas of water molecules attract the oppositely charged ions of sodium chloride
B. The shape of the water molecules pushes the sodium and chloride ions apart
C. The oxygen in the water molecules reacts with the sodium and chloride ions
D. Water molecules and sodium chloride are covalently bonded
When salt is mixed with fluid, it dissolves because the covalent connections in water were weaker compared to the ions interactions in salt molecules.
The correct answer is :A.
What causes sodium chloride to be less readily soluble in water?This is owing partially to the fewer charges that exist for the electrons ion chloride of sodium, Na+ or Cl-, compared to the ions in carbonate of soda, Ca2+ and CO32-. The higher the electrical charges on the ions, the greater their electrostatic attraction to each other, therefore therefore the more difficult it is for liquid to separate them.
Which solution is created when the salt is dissolved with water?As a result, when NaCl dissolves in water, the element sodium becomes dehydrated. As a result, the proper answer to this question is D, which is hydrated. Nota bene: In the field of chemistry salt is defined as an ionic form that interacts with cations and anions.
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1. Which tools would a scientist use to determine the topography of the ocean floor? Select all that apply.
satellite
SONAR
trawling net
submersible
Answer:
sonar
Explanation:
sound waves travel farther than radar and light waves
Can someone feel this chart out and give explanations. It’s on Benedict’s test, iodine test, Sudan test, and biuret test.
The biuret test is used to detect the presence of proteins in a sample. Biuret reagent is added to the sample, and if proteins are present, the copper ions in the reagent will bind to the peptide bonds in the protein, causing the solution to turn from blue to purple. The intensity of the color change is proportional to the amount of protein present in the sample.
What are Benedict’s test, iodine test, Sudan test, and biuret test?Benedict's test is used to detect the presence of reducing sugars, such as glucose and fructose, in a sample. To perform the test, the sample is mixed with Benedict's reagent and heated in a water bath. If reducing sugars are present, the solution will change from blue to green, yellow, orange, or red, depending on the concentration of reducing sugars.
The iodine test is used to detect the presence of starch in a sample. Iodine is added to the sample, and if starch is present, the iodine will bind to the starch molecules, forming a blue-black color.
The Sudan test is used to detect the presence of lipids or fats in a sample. Sudan III or Sudan IV dye is added to the sample, and if lipids are present, the dye will bind to the lipids, causing them to appear as red droplets in the sample.
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What is one role that multipotent cells perform in an adult animal?
O A. Consuming old cells to make room for new cells
OB. Producing new blood cells to replace damaged cells
OC. Creating new unspecialized cells that repair tissues
OD. Making up the germ layers inside the blastocyst
The role that multipotent cells perform in an adult animal is to produce new blood cells to replace damaged cells. Stem cells must form at least two distinct lineages, usually from the same embryonic germ layer.
Multipotent stem cells have the ability to differentiate into all cell types within a particular lineage. They have many uses. Multipotent stem cells play important roles in development, tissue repair, and protection. Adult stem cells such as neural stem cells, mesenchymal stem cells, and hematopoietic stem cells are pluripotent stem cells.
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Suppose the surface is not totally smooth. What additional "outside force would be affecting the ball's motion? How would its motion be affected?
Answer:The motion of an object is determined by the sum of the forces acting on it; if the total force on the object is not zero, its motion will change. The greater the mass of the object, the greater the force needed to achieve the same change in motion. For any given object, a larger force causes a larger change in motion.
Explanation:
might help hope it does
The nucleus of the cell is responsible for
A.
altering and packaging proteins and lipids.
B.
breaking down molecules to produce energy.
C.
controlling the activities of the cell.
D.
converting light energy into food energy.
wavelength of a light wave with 4.5e and speed of 300,000,000
The wavelength of a light wave with a frequency of 4.5e and speed of 300,000,000 m/s is equal to 24,527,839.097376 meters.
The formula which shows the relation between the wavelength (λ), frequency (f), as well as speed of light (c) is:-
λ = c / f
where the value of c is taken as 300,000,000 m/s, i.e. the speed of light in vacuum.
Now, on substituting the given values in the formula, we get:
λ = c / f
= 300,000,000 / 4.5e
= 300,000,000 / 4.5*2.718 (the value of 'e' is rounded-off to 3 significant digits)
It can be also written as:
= 3 x 10⁸ / 4.5*2.718
= 1 x 10⁸ / 1.5*2.718
= 10⁸ / 4.0770
= 10⁸ x 10⁴ / 40770
= 10¹² /40770
= 10¹¹ / 4077
= 24,527,839.097376 meters
Thus, the wavelength of the light wave is equal to 24,527,839.097376 meters.
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Why is it that the bonds between the two strands are easily broken during DNA replication and
gene expression?
Answer:
The bonds between the two strands of DNA, specifically the hydrogen bonds between the base pairs, are relatively weak and can be easily broken. This is important for both DNA replication and gene expression.
Explanation:
During DNA replication, the two strands of DNA must be separated so that each strand can serve as a template for the synthesis of a new complementary strand. The hydrogen bonds between the base pairs are broken by the action of specialized enzymes called helicases, which unwind the double helix and separate the two strands. Once the strands are separated, they can be copied by the action of DNA polymerase, which adds new nucleotides to each strand based on the sequence of the template strand.
Similarly, during gene expression, the two strands of DNA must be separated so that the information encoded in the DNA can be used to synthesize proteins. This process begins with the transcription of the DNA sequence into a complementary RNA sequence, which is carried out by RNA polymerase. The RNA polymerase also breaks the hydrogen bonds between the two DNA strands to open up a small section of the DNA helix, which allows the RNA polymerase to read the DNA template and synthesize a complementary RNA strand.
In both DNA replication and gene expression, the ability to break the hydrogen bonds between the two strands of DNA is crucial. If these bonds were too strong, it would be difficult to separate the two strands and copy the DNA or transcribe it into RNA. The weak bonds between the two strands allow for the necessary flexibility and mobility required for the replication and expression of genetic information.
Write a
report on global warming.
Scientists have spent a long time researching the issue of global warming. It speaks of an overall rise in the average surface temperature of the Earth.
Short report about global warming: What Is It?A process known as global warming occurs when the planet's average temperature rises as a result of higher greenhouse gas concentrations. The incoming solar energy is trapped by greenhouse gases including carbon dioxide, methane, and ozone.
What is an introduction to global warming?Describe global warming. The extremely quick rise in the average surface temperature of the Earth during the past century is known as global warming, and it is mostly a result of greenhouse gases produced by humanity burning fossil fuels.
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If a cabbage plant has 9 chromosomes in it’d reproductive cells than it means that it has 18 chromosomes in its/
When cabbage plant has 9 chromosomes in reproductive cells, then it has 18 chromosomes in the cells.
What are chromosomes?Chromosomes are long, thread-like structures made up of DNA and protein that are found in the nucleus of most living cells. They carry genetic information in the form of genes, which are segments of DNA that contain instructions for the development and function of an organism. During cell division, chromosomes replicate and separate into two identical sets, one for each of the two daughter cells.
Chromosomes are genetic material present in all the cells. They are present in the nucleus of eukaryotic cell. Each chromosome of a eukaryotic cell contains DNA and associated proteins is known as histone proteins.
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Discuss 4 factors which lead to genetic variability in offspring produced as a result of sexual reproduction?
Answer:Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring
Explanation:
there
I need help with these if so thank you so much
This is what I would go with:
7 = B
8 = G
9 = A
10 = H
11 = C
12 = G
5. How would you classify the following biological molecule?
CH3CH2CH2CH2CH=CHCH2CH2CH2COOH
A. a polypeptide B. carbohydrate
C. nucleic acid
D. nucleotide
E. lipid
Answer:
B. carbohydrate
Explanation:
Since the only elements that are present are C, H, and O, this macromolecule must be a carbohydrate. Protein polypeptides contain nitrogen, nucleic acids contain phosphorous and nitrogen, and lipids contain phosphorous. So, the only macromolecules with just oxygen, hydrogen, and carbon are carbohydrates.
An easy way to remember:
CHO- carbs
CHON- proteins
CHOP- lipids
CHOPN- nucelotides
Determine the technical term for the beach area where people go to sunbathe or to have a barbeque. Also, what is the technical term for the area of the beach where most people run in the sand? Include characteristics of each area.
Beachfront is the technical term for the area of the beach where people sunbathe or barbecue. The shoreline is the part of the beach where people run in the sand. It is where the water meets the land and is frequently used for recreation.
How does the sand move along a beach?The angled approach of the waves to the shoreline is depicted by the thicker blue arrow. The smaller blue bolts show the ongoing that creates because of the waves raising a ruckus around town at a point. Longshore current is the name of the current.
What lies beneath the beach's sand?A layer of hard, compacted sand often lies beneath the loose sand of a beach. If the necessary cement, pressure, and heat ever appear — and if it is not eroded by strong storms — it could be on its way to becoming sandstone.
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1. Which of the following is caused by a pathogen:
Anemia
Malaria
Lyme Disease
Cancer
Cough
Is it possible for a population’s genotype frequencies to change from one generation to the next but for its gene (allele) frequencies to remain constant? Explain by providing an example.
Yes, it is possible for a population's genotype frequencies to change from one generation to the next, but for its gene (allele) frequencies to remain constant.
What is genotype?A person or an organism's genotype, or genetic make-up, determines the hereditary traits and qualities they inherit. It alludes to the complete set of genes or genetic material (DNA) that makes up an organism. The genotype of an organism determines its morphological and behavioral traits, such as height, eye color, and susceptibility to specific diseases.
While a population's gene (allele) frequencies can remain constant, its genotype frequencies may shift from one generation to the next. Gene frequency changes in a small population are referred to as "genetic drift," which is the term used to describe this phenomena.
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Which are functions of the muscular system? generating heat and creating cell signals creating blood cells and movement balance and generating heat posture and sensing the environment
Answer:
See Explanation
Explanation:
The functions of the muscular system are movement, posture, and generating heat. Muscles work together with bones and joints to enable movement and maintain posture. They also generate heat through muscle contractions, which helps to regulate body temperature.
While muscles do not directly create cell signals or blood cells, they are involved in processes that support these functions. For example, smooth muscles in blood vessels help to regulate blood flow and pressure, and skeletal muscles can aid in lymphatic circulation. However, the primary functions of the muscular system are related to movement and energy production.
Balance and sensing the environment are not typically considered primary functions of the muscular system, although some muscles, such as those in the eyes and ears, may contribute to sensory processing and balance.
Proponents of using managed forests for biomass fuels claim that this type of energy production is environmentally friendly because managed forests absorb carbon from the atmosphere. The proponents further claim that this will counteract the effects of burning the fuel. Why is this statement misleading?
A
Managed forests will replace unmanaged forests, which results in a net decrease in carbon dioxide absorption.
B
Managed forests will replace unmanaged forests, which results in a net increase in carbon dioxide absorption.
C
Unmanaged forests will replace managed forests, which results in a net decrease in carbon dioxide absorption.
D
Unmanaged forests will replace managed forests, which results in a net increase in carbon dioxide absorption.
Managed forests will replace unmanaged forests, which results in a net decrease in carbon dioxide absorption.
The correct option is A.
What is forest management?Forest management is the process of organizing and putting into effect procedures for the care and use of forests in order to achieve particular environmental, economic, social, and cultural goals.
It covers the administrative, economic, legal, social, technical, and scientific facets of maintaining both naturally occurring and artificially grown forests.
By stabilizing soil, boosting groundwater recharge, supplying shade, controlling local climate, enhancing nutrient cycling, etc., forest management plays a critical role in assisting agriculture's potential for productivity.
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Use the drop-down menus to answer each question.
During which part of the water cycle does water from Earth's surface move into the atmosphere?
What happens as water cools? |
How does water return to Earth from the atmosphere? [
Intro
Done
For this cross,
RrYytt x RryyTT,
what is the
probability that
the offspring will
have at least two
recessive traits?
Answer:2/8 or 1/4 or 25%
Explanation:When we cross two individuals with the genotypes RrYytt and RryyTT, there are several possible outcomes for the offspring. To determine the probability that the offspring will have at least two recessive traits, we need to first determine the possible genotypes of the offspring.
The Punnett square method can be used to predict the possible genotypes of the offspring. When we fill in the Punnett square for this cross, we get the following results:
| | Rr | Ry |
|---|---|---|
| ry | RrYyrt | Rryyrt |
| yt | RrYyTt | RryyTt |
In this case, there are two possible genotypes that have at least two recessive traits: Rryyrt and RryyTt. So the probability of the offspring having at least two recessive traits is the sum of the probabilities of these two genotypes.
To calculate these probabilities, we need to consider the laws of probability. The probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.
In this case, there are four possible outcomes for each of the two genotypes that have at least two recessive traits. So the total number of possible outcomes is eight. The number of favorable outcomes is two, since there are two possible genotypes that have at least two recessive traits.
Therefore, the probability of the offspring having at least two recessive traits is 2/8 or 1/4, which is equivalent to 25%.
Mark and Nancy both take three measurements of the length of a pencil that is 15.1 cm. Mark records 15.0, 15.0, and 15.1 cm. Nancy records 15.1, 15.2, and 15.2 cm. Which of the following statements is true about Mark and Nancy's measurements?
A. Mark's measurement is more precise.
B. Nancy's measurement is more accurate.
C. Mark's measurement is more accurate.
D. Both sets of measurements are equally accurate and precise.
The statement that is true is Mark's measurement is more precise. Option A
Why is Mark's measurement is more precise or accurate?If we look at the main measurement of the pencil which is 15.1cm, we can see that Nancy's measurements are somewhat more varied (15.1, 15.2, and 15.2 cm). Nancy's measurements add to the measurement. More so, given that 2 is less than 5, it may not make as more difference in the grand scheme of things if the number was to be rounded off.
But when we look at Mark's measurement, they seem more consistent (all close to 15.0 cm with just one at 15.1 cm). This demonstrates that Mark's measurements are more accurate. However, the accuracy (closeness to the genuine value of 15.1 cm) of Mark's measurements is not necessarily better, as both sets of measurements include results that are near to the correct value.
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Which statement is supported by the graph?
A
Temperatures were warmer when levels of carbon dioxide in the atmosphere were greater.
B
Temperatures were colder when levels of carbon dioxide in the atmosphere were greater.
C
Temperatures in the Antarctic have continued to rise steadily over the last 200,000 years.
D
Levels of carbon dioxide have steadily continued to decrease over the last 200,000 years.
The statement is supported by the graph is :
Temperatures were warmer when levels of carbon dioxide in the atmosphere were greater.
Therefore option A is correct.
What is temperature?Temperature is described as a physical quantity that expresses quantitatively the perceptions of hotness and coldness.
From the graph below, we can see that the Temperatures were warmer and showed a steady increase when levels of carbon dioxide in the atmosphere were greater.
There are three main scales commonly used in the world today to measure temperature and they include:
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2. A woman goes on Maury Povich to find out who’s the father of her baby. She has four possible men who could have fathered the baby. Use the table below to find out Who’s the
Daddy!
a. Create 4 different Punnett squares. One for each father
Name
Blood Type
Genotypes
Mother
Type A (heterozygous)
_______
Baby
Type B
______or ______
Sammy the player
Type O
_______
Guy at the club
Type AB
_______
The waiter
Type A (homozygous)
_______
The cable guy
Type B (homozygous)
_______
How many half-lives have passed when there are three times as much daughter isotope as parent isotope?
When the ratio of daughter to parent isotope is three, there have been three half-lives.
What is meant by isotope?The same element's isotopes are different nuclear species. The periodic table shows that they are in the same place and have the same atomic number, but the number of neutrons in their nuclei causes their nucleons to differ. An isotope is one of two or more species of atoms of a chemical element having the same atomic number and location in the periodic table and virtually identical chemical behaviour but with distinct atomic weights and physical characteristics.Carbon-14, tritium (hydrogen-3), chlorine-36, uranium-235, and uranium-238 are a few radioactive isotopes as examples. Numerous isotopes have half-lives that are known to be exceedingly lengthy (in the hundreds of millions of years). The terms "stable nuclides" and "stable isotopes" are frequently used to describe these isotopes.To learn more about isotope, refer to:
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What the percentage for normal trait and SSD
The hospital has made a big mistake and lost track of which baby belongs to each set of parents. Can you help them fix this before they get sued?
Parent of Baby 1 - O: Mr. and Mrs. Gene.
Parent of Baby 2 - AB: Parent: Mr. and Mrs. Allele.
Parent of Baby 3 - A: Mr. and Mrs. DNA.
Why are these allelic variants important?Different results may be seen in one individual due to the way the two different alleles interact. For example, a dominant allele can override traits of other recessive alleles, and it is these traits that help determine a person's eye, hair color, etc. In this case, brown eyes code for The allele that does is dominant over the recessive allele that encodes blue eyes.
There are four blood types: A, B, O, and AB. Blood types are identified based on the antigens and antibodies found in the blood.One of her babies inherited the antigen from her genetic Mrs. whose blood is O and her genetic Mrs blood is B. A second baby inherited antigens from Mr. and Mrs. Allele, both of whom are type AB.The third baby inherited the antigen from her Mrs. DNA, whose blood type is AB, but Mr. DNA's blood is O type.To know more about alleles, visit:
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The complete question is as follows:
The hospital has made a big mistake and lost track of which baby belongs to each set of parents. Can you help them fix this before they get sued?
babies:
baby 1: O
baby 2: AB
baby 3: A
Parents :
Mr. and Mrs. Allele : AB and AB
Mr. and Mrs. DNA: O and AB
Mr. and Mrs. Gene: B and O
Pretend that eyes only come in three colors, brown, green and blue. Eye color is dependent on two genes. Brown or blue on the first, and green or blue on the second. (This will be a Punnett Square with two traits.) The first gene controls a colored layer near the front of the eyeball (nearest the observer). If this colored layer is brown (BB or Bb), the observer will see brown eyes and the second layer will not be seen. If the first layer is blue (bb), the observer will see through that layer to the second colored layer behind it. The second colored layer can be green (GG or Gb) or blue (bb). If a woman has green eyes, what are her possible allele combinations on her genes for eye color (her possible genotypes)? List them all.
Eye pigment is triggered on 16 separate genes, the majority of which are located on the 15th chromosome hect region and RCC1-like region-containing proteins 2 (HERC2) or ophthalmic colorblindness (which is, ocular albinism) II (OCA2).
What exactly are genotypes and allele combinations?The genetic makeup of a living being is the set of alleles that it possesses. If the paired genes are the same, an organism is said to have been homozygous with respect to the feature; if they are distinct, the species is said the be heterozygous for the particular characteristic.
What is the allele combination for a specific gene?The genetic makeup of a living being is the precise set that polymorphisms for an ancestral gene inside an individual organism, and the characteristic that is connected to that genotype is referred to as the phenotype of that organism (as indicated above).
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If illegal hunting of oxpeckers increases in 2012 and causes a decrease in oxpecker numbers, what will most likely happen to
rhinoceros populations?
a decline in oxpecker numbers is probably going to be bad for rhinoceros populations.
Oxpecker numbers are projected to decline as a result of increased unlawful hunting, which will have a negative impact on rhinoceros populations.
The ticks and parasites that live on the skin of rhinoceroses and other large mammals provide the food source for oxpeckers, which are birds. By keeping the animals free of parasites and warning them of imminent danger, they offer an important service.
The number of ticks and other parasites on rhinoceroses may increase if oxpecker populations drop as a result of hunting, which could result in health issues and lower survival rates. In addition, rhinoceroses might be more susceptible to predators and other dangers without oxpeckers to provide warning sounds. So, a decline in oxpecker numbers is probably going to be bad for rhinoceros populations.
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