Answer:
B
Explanation:
Im sure this is false because i have the same question before
free interesting facts about Jordan creek springfield missouri
no links please
Springfield's nickname is "Queen City of the Ozarks" as well as "The 417" after the area code for the city. It is also known as the "Birthplace of Route 66". It is home to three universities, Missouri State University, Drury University, and Evangel University.
Explanation:
Here it is.Mark me as brainliest please if u are satisfied with this.
What is the role of the nervous system in the body?
A.To protect other organs and tissues
B.To send messages using blood cells
C.To gather and respond to information
D. To transport oxygen and carbon dioxide
(PLEASE HELP ME)
Explain why green chilies are preserved using vinegar and sugar.
Answer:
The solution in which the whole green chillies are soaked is a mixture of vinegar and water. The reason why green chillies are kept in this solution for long hours is to reduce the heat of the spice. Doing so will not only reduce the spiciness of the chillies, but will also add a tangy flavour to them.
hope this answer helps you...
The solution in which the whole green chillies are soaked is a mixture of vinegar and water.
The reason why green chillies are kept in this solution for long hours is to reduce the heat of the spice. Doing so will not only reduce the spiciness of the chillies, but will also add a Savoury taste to them.
Why is vinegar used in food preservation?Vinegar is acidic in nature. It ret ards the growth of the microorganisms, which can grow, contaminate, and spoil the food. This is why vinegar has been used as a preservative, for many years. Foods dipped in vinegar are safe to consume, even after months.
Thus, to reduce the heat of the spice.
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Prompt 4:
The scientists are proposing a new reintroduction site. They want to predict how many ferrets could occupy the
site. Here are some facts about the new site:
.
.
Annual Rainfall - 17.59 inches
Area - 4600 hectares
Number of prairie dog colonies on site - 48
Prairie dog colony size on site - 473.24 individuals/site
Relative Prairie Dog Biomass - 0.3221
.
Answer:
Black-footed Ferrets are weasel-like in body shape and form but are heavier than ... They are therefore limited to the same open habitat used by prairie dogs: ... (several thousand acres of closely spaced colonies) can support and sustain a ... to 60 hectares of prairie dog colony is needed to support one Black-footed Ferret, ...
Explanation:
What are TWO specific ways in which proteins are regulated in eukaryotic cells?
Answer:
Feedback inhibition and allosteric regulation.
Explanation:
Human ovaries play an important role in reproduction. Which part of a
plant contains structures similar to human ovaries? (A)flower (B)leaf (C)stem (D)root
Answer:
c stem
Explanation:
Human reproduction takes place as internal fertilization by sexual intercourse. During this process, the erect penis of the male is
inserted into the female's until the male ejaculates semen, which contains sperm.
es )
A)
cervix
B)
ovaries
uterus
D)
vagina
Answer:
D) Vagina
The vagina is the inside of the female reproductive system leading to the cervix which separates the vagina from the uterus and ovaries where eggs are produced and stored until released monthly.
How do shifting seasons occur?
Answer:
The Earth's tilted axis causes seasons. During different parts of the year, the Earth recieves the sun's rays directly. It's summer in the Northern Hemisphere. When the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
Explanation:
Help please at least two sentences
Lions and hyenas live in the same environment. They often hunt the same prey, and they also steal each other's kills when they can. What can be said about this situation?
Select one:
A. It is competition within the same species.
B. It is cooperation within the same species.
C. It is cooperation between different species.
D.It is competition between different species.
25 POINTSSS AND BRAINLY THE SELECTED ANSWER IS WRONG BTW
Answer:
The second option
Explanation:
The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. That is why cells are so small.
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What can easily pass through the cell membrane?
What cannot pass through the cell membrane?
In passive transport, molecules, move ______the concentration gradient.
Answer:
i dont rlly get what ur asking but basically gasses diffues across the cell membrane from high conc to low concentration.
i dont know what passive transport is but active transport goes against the concentration gradient so im guessing passive is the opposite and goes with the conc gradient
Explanation:
____ The bristle worm living with the hermit crab.
A. Mutualism
B. Commensalism
C. Parasitism
Answer:
A. Mutualism
Explanation:
Mutualism The bristle worm living with the hermit crab.
what is the difference between emphysema and chronic bronchitis? Thanks.
The main difference between these conditions is that chronic bronchitis produces a frequent cough with mucus. The main symptom of emphysema is shortness of breath. Emphysema can sometimes arise due to genetics. An inherited condition called alpha-1-antitrypsin deficiency can cause some cases of emphysema.
Answer:The main difference between these conditions is that chronic bronchitis produces a frequent cough with mucus. The main symptom of emphysema is shortness of breath. Emphysema can sometimes arise due to genetics. An inherited condition called alpha-1-antitrypsin deficiency can cause some cases of emphysema.
Explanation:trust
What type of chemical bond exists between two water molecules
Hydrogen bonds, type of chemical bond exists between two water molecules.
What is a chemical bond?A chemical bond is what binds atoms in molecules together. Electrical forces between positive charge atomic nuclei and negative-charged electrons form bonds. A chemical bond is a long-lasting attraction between ions or atoms that allows molecules and crystals to form.
Hydrogen bonds arise between neighboring water molecules' hydrogen and oxygen atoms. A hydrogen bond is formed by the attraction of individual water molecules. A water molecule is made up of two hydrogen and oxygen atoms atom, with one partly positive hydrogen atom connected to a more highly electronegative atom.
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Your question is incomplete, but most probably the full question was.
A) ionic bondsB) hydrogen bondsC) covalent bondsD) valence bondsWhat is the main challenge astronomers face when trying to directly detect black holes? (1 point)
Black holes are too black
Black holes are empty.
Black holes trap all light.
Black holes are too small.
Answer:
Black holes trap all light.
Explanation:
This temperature is on the order of billionths of a kelvin for black holes of stellar mass, making it essentially impossible to observe directly. Objects whose gravitational fields are too strong for light to escape were first considered in the 18th century by John Michell and Pierre-Simon Laplace.
Answer:
1. How do emission and reflection nebulae differ?
interactions with light
2. Where could scientists look to observe a black hole?
the center of the Milky Way
3. Which description best summarizes the steps that take place during black hole formation, in the correct order?
A massive star depletes its nuclear fuel; gravity overpowers the star; supernova occurs; core of star collapses.
4. Select the correct answer from the list.
To form a nebula, gravity pulls matter together or causes an explosion.
5. Which of these characteristics of a star make it most likely to become a black hole? Select the two correct answers
It is dying.
Its mass is greater than 20 times the mass of the sun.
6. Which statement best describes the galaxies closest to the Milky Way?
These galaxies include irregular, spiral, and elliptical types.
7. Select the correct answer from the list.
Astronomers think that most galaxies are centered by a black hole which exerts gravitational pull that binds the galaxy together.
8. What is the main challenge astronomers face when trying to directly detect black holes?
Black holes trap all light.
Explanation: I got 100%
NEED HELPPPPPPPPPPPPP
Answer:
thymine
Explanation:
Chargaff's rules state that DNA from any species of any organism should have a 1:1 protein stoichiometry ratio (base pair rule) of purine and pyrimidine bases (i.e., A+G=T+C) and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.
How does biological fitness relate to an organism's ability to survive and
reproduce? *
Answer:
The biological fitness of an organism is dependent on its ability to survive and reproduce in a given environment. If different traits or alleles increase the fitness of an organism, those alleles will consequently increase in the gene pool, and that trait will increase in the population.
Explanation:
A moth's color is controlled by two alleles, G and g, at a single locus. G (gray) is dominant to g (white). A large population of moths was studied, and the frequency of the G allele in the population over time was documented, as shown in the figure below. In 1980 a random sample of 2,000 pupae was collected and moths were allowed to emerge. Assuming that the population was in Hardy-Weinberg equilibrium for the G locus, what percentage of the gray moths that emerged in 1980 was heterozygous? (The Answer is 67%, can you please explain why it's 67%? thank you!!)
Answer:
67%
Explanation:
When taking random samples from a population, the observed numbers are not always as the expected ones. The difference is by chance, instead of 50% heter0zyg0us, the sample included 67%.
--------------------------
Available data:
- Moths' color ⇒ diallelic gene
G allele → dominant → Codes for greyg allele → recessive → Codes for white- f(G) 1960 = 0.8
- f(G) 1965 = 0.7
- f(G) 1970 = 0.6
- f(G) 1975 and 1980 = 0.5
- 1980 ⇒ N = 2000 pupae
- Population in H-W equilibrium
Hardy-Weinberr equilibrium,
Assuming a diallelic gene, p and q are the allelic frequencies in a locus and represent the allelic d0minant or recessive forms. The gen0typic frequencies after one generation are p² (H0m0zyg0us d0minant), 2pq (Heter0zyg0us), q² (H0m0zyg0us recessive). Populations in H-W equilibrium will get the same allelic frequencies generation after generation.When adding the allelic frequencies of a population in H-W equilibrium, the result should be 1, this is p + q = 1.In the same way, when adding the genotypic frequencies, the result should also equal 1, this is p²+ 2pq + q² = 1In this problem we assume that the population is under H-W equilibrium, and we know that p = 0.5.
Considering that p + q = 1, then by clearing the equation, we get the value of q = 0.5
Finally, we know that the genotypic frequency of the heter0zygous genotype is 2pq, so,
F(Gg) = 2pq = 2 x 0.5 x 0.5 = 0.5 = 50%
Now, among the options in the problem, there is not 50% but others. One of them, and the closest to 50%, is 67%.
The chart reflects that through the years, the moth's populations stabilized. Both alleles were favored, and their frequencies got to be equal to each other -0.5-. So there is a high probability of getting heter0zyg0us individuals in the population -50%-, more than any of the h0mzyg0us ones -25%-.
However, in a natural population, the amount of h0m0zyg0us and heter0zygous individuals observed is not always the same as the expected ones. This fact happens especially when there are random samples.
In this experiment, the researcher took 2000 pupae, but they did not know their genotype. They just took them randomly. Even though the population is in H-W equilibrium, when sampling, the researcher took more heter0zyg0us individuals than the expected ones. It does not mean that the population is not under H-W equilibrium. It just means that by chance, more heter0zyg0us were selected.
So what you need to do in these situations, is to analyze your problem and the provided information, and think about the most feasible answer.
In this case, the expected number is 50% heter0zyg0us. The closest option is 67% and the most feasible. So that would be the answer.
------------------------
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04.02 Environmental Resources Lab Report
Instructions: For this lab, use the lab report to record your information. You will submit your completed lab report.
Note: If you cannot complete this lab as directed, please contact your instructor for assistance.
Name and Title:
Include your name, instructor's name, and date.
Introduction
To improve your soil, you should first know what you’re starting with. In this lab, you will sample local soil to determine its composition and pH range.
Materials
• Distilled water
• Metric ruler
• Small zipper storage bag
• Soil from the yard, garden, or other local source
• Jar with tightly fitting lid (tall and skinny would be best)
• Small digging tool
• pH strips (available at hardware and pool supply stores) or vinegar and baking soda
Pre-lab Questions
1. Describe soil particles (sand, silt, and clay) in term of size and texture.
2. If soil is too acidic, what substance is usually added? If soil is too alkaline, what substance is usually added?
3. Why are soil composition and pH important to know?
Hypothesis
Predict what type of soil you think is in your local area (mostly sand, silt, clay, or mixed) and if it more acidic, more alkaline, or neutral.
Procedure
Obtaining soil samples for your jar and resealable bag
1. Take your jar, resealable bag, and digging tool into your garden or yard. Use the digging tool to dig a hole 3–6 inches deep. Take your soil sample from the soil at this depth.
2. Place approximately one cup of soil into the resealable bag, squeeze the air out of the bag, and zip it shut (you will use this soil later in the lab).
3. Dig up additional soil and fill the jar to approximately 1/4 full of soil. Take everything back inside to your work area.
Note: To avoid making a mess, it is best to work on a covered surface (for example, a kitchen counter covered with old newspaper or plastic wrap).
4. Fill the remaining space in the jar with water, and screw the cap on tightly (see Figure 1, below).
5. Shake the jar so that the dirt is totally dispersed through the water (see Figure 2, below). Set down the jar and allow the shaken contents to settle completely (see Figure 3, below). Leave it undisturbed overnight while you test the texture and pH of the soil in your resealable bag.
Note: Do not pick up the jar. Doing so will begin to mix the contents again.
Figure 1 Figure 2 Figure 3
Fill jar 3/4 full of water and 1/4 full of soil. With the lid on tightly, shake the jar well until the soil and water have mixed thoroughly. Let the jar sit. Materials will begin to settle out and form layers.
Testing texture and pH of the soil in your resealable bag
1. While you wait for the soil and water sample to settle in the jar, you can test the texture of the sample in the resealable bag. First, remove a small amount and moisten it slightly to test the texture. Record your observations in the Data and Observations section.
a. Rough and gritty soil that barely sticks together is sand.
b. Loams (mixtures of clay, silt, and sand) feel medium-textured.
c. Smooth and sticky fine textures indicate clay.
2. Next, test the pH using one of the following methods:
a. If you have pH strips: To test with pH strips, place the soil sample in a small bowl or container and add a small amount of distilled water. Add just enough water to make the soil slightly liquid, like a milkshake consistency. Dip the pH strip in and compare it to the color identification provided with the test strips. Record your data in the Data and Observations section.
b. If you do not have pH strips: Use vinegar and baking soda instead. To do this, split the sample into two containers. Add a half cup of vinegar to the first sample of soil, mix gently, and watch to see if it bubbles or fizzes. If it does, it is alkaline. In the second container, add a half cup of distilled water to the soil and mix gently. Then add a half cup of baking soda. If there is a reaction of bubbles or fizzing, the soil is acidic. If neither sample has a reaction, the soil is neutral. Record your data in the Data and Observations section.
Testing soil sample in your jar
1. For the sample in the jar, wait until after the contents have settled and you can see several different-colored layers. In addition, you may see some material floating at the top of the water. You may also see that the water is still clouded with some particles.
2. Measure the total thickness of the soil in the jar after it settles. Record this measurement (in centimeters) in the data table.
3. Observe the settled dirt carefully. There should be distinct layers of soil. The bottom will be your sand layer (largest particles fall out first), then clay or silt, depending on the kind of soil you have. Carefully measure the thickness of any layers of soil seen in your jar. Record your measurements in centimeters (cm) in the data table. Also record the color of each layer.
Help will give brainlest
Answer:
that would be an acid, its sulfuric acid
Answer:
C. Acid
Explanation:
Una persona sana necesita 1500 cal diarias para mantener su peso y su actividad rítmica normal ¿Cuántos J se obtendrá en 18,5 horas?
Answer:
4838J se requieren en 18.5 horas
Explanation:
Para resolver esta pregunta debemos, primero, hallar la cantidad de calorías necesarias para 18.5h (Ya sabemos que para 24 horas se necesitan 1500 calorías). Después, este resultado debemos convertirlo a Joules (1cal = 4.184J):
Calorías en 18.5h
18.5h * (1500cal / 24h) = 1156.25cal son requeridas en 18.5 horas
Joules requeridos:
1156.25cal * (4.184J / 1cal) =
4838J se requieren en 18.5 horasWhich organisms in this food web have a Producer/Consumer
Relationship?
Answer:
what food web?
Explanation:
If glycerol is the same in all lipids why is corn oil different from coconut oil?
Answer:
Corn is made up of starch sodium and other chemicals wher as coconut is made from calcium and other materials too
Explanation:
A geothermal power plant is like a regular power plant except that no fuel
is burned to heat 3. _____________ into 4.______________. The steam in a geothermal
power plant is heated by the Earth. Like other power plants, they use many of the same
components including 5. ____________________, 6. ____________________ and other
standard power operating equipment.
Answer: 3. Water 4 steam. 5. Turbine 6. Generator
Explanation:
1. What helped Philip Gingerich decide what kind of fossil he found?
Answer:
many colleagues
Explanation:
DYNAMITE: C7H5(NO2)3
How many total atoms are there in one molecule of dynamite?
a
19
b
18
c
17
d
21
Answer:
D it has 21 atoms 7 carbon 6 oxygen 5 hydrogen 3 nitrogen
Which is the meaning of the Latin root "terra"?
1.time
2. earth
3. end
4.sea
Answer:
it means earth
Explanation:
Ryder needs to determine the missing term in this set: sperm, egg, zygote, ________ Which term best completes the set?
Answer: fertilization
Explanation:
Answer:
Answer is D. Fertilization
Fertilization happens when a sperm cell successfully meets an egg cell in the fallopian tube. Once fertilization takes place, this newly fertilized cell is called a zygote. From here, the zygote will move down the fallopian tube and into the uterus. The zygote then burrows into the uterus lining.
Explanation:
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I need help ...please seriously
Answer:
I think the answer is B
Explanation: