A salt is formed during a reaction of sodium and chlorine ions. Which type of bonding occurred?
A. Van der Waals forces
B. hydrogen bond
C. ionic bond
D. covalent bond
What is the purpose of the Terra satellite? O A. To monitor conditions on Earth B. To identify near-Earth objects C. To search for planets in other solar systems D. To observe the movement of the moon
n e w a. p. e. x. 2020
Answer:
to monitor conditions on earth
Explanation:
To monitor conditions on Earth is the purpose of the Terra satellite. Therefore, the correct option is option A.
An artificial object that is purposefully placed into orbit around a celestial body, most frequently the Earth, is referred to as a satellite. It can be either manned or unmanned, and depending on how it is made and how it works, its purpose can be very different. Satellites have revolutionised many elements of our daily lives and have become essential parts of modern technology. Satellites come in a variety of varieties, each with a special function. Long-distance communication is made possible, for instance, by communication satellites that transfer signals between ground stations. To monitor conditions on Earth is the purpose of the Terra satellite.
Therefore, the correct option is option A.
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What controls when a cell divides?
Answer:
A variety of genes are involved in the control of cell growth and division. Tight regulation of this process ensures that a dividing cell's DNA is copied properly, any errors in the DNA are repaired, and each daughter cell receives a full set of chromosomes.
Explanation: hope this helps love
Answer:
A variety of genes are involved in the control of cell growth and division. Tight regulation of this process ensures that a dividing cell's DNA is copied properly, any errors in the DNA are repaired, and each daughter cell receives a full set of chromosomes.
Explanation:
Which statement describes competition in an environment? Organisms share a place to sleep. A living thing consumes berries on a tree. Sunlight shines only three months out of the year. A stream supplies an abundance of water in a forest.
Answer:
Sunlight shines only three months out of the year.
Explanation:
I think this is right
Because abundance means a large amount so there would be no competition there.
If organisms share a place to sleep then that means no competition
If a living thing is consuming berries on a tree then the living thing is just eating
But if the sunlight only shines three months out of the year then that can cause a shortage of food in the environment causing for the living creatures in the environment to compete for the food that is left since there won't be enough to supply for and abundance of living things.
The statement that describes competition in an environment is option B a living thing consumes berries on a tree. Thus, consuming berries on a tree is reducing the availability of the food for other livings depends on the berries.
What is survival of living things?In the nature, the concept that survival of the fittest domintates. The organisms which are fit physically and are smart to gather food will survive in the nature otherwise they will extincts.
An ecological community is a collection of populations of at least two distinct species that interact both directly and indirectly in a specific geographic area. Within this community, diffrent organisms can be found .
Numerous ecological characteristics and functions, including nutrient cycling and food webs, are based on interactions between species. Depending on the evolutionary context and environmental factors that they take place in, these interactions can have a variety of different natures.
Because of this, ecological interactions between particular individuals and entire species are frequently difficult to identify and quantify and depend on their scale and context they face extinction. Hence, option B is correct.
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PLSS HELP ,, - - - A group of students were testing different insulators. They used three metal cans, one wrapped with bubble wrap, a second with a paper towel, and third unwrapped. Equal amounts of hot water were poured into each can and the temperature was noted at definite time intervals. The data is shown in the table.
From the data what can you conclude which is the best insulator?
Aluminum can wrapped with paper towel
Just the aluminum can
Aluminum can wrapped with bubble wrap
Answer:
Without the table, I can't be 100% certain, but I'm sure that your answer is C). It would only make sense, considering the fact that if bubble wrap is being used, you've put 2 layers of plastic and one layer of trapped air between the can and the hand of those who hold it, thus reducing the amount of thermal energy transfer.
NEED HELP RLLY BAD!!
What does glucagon do for the body
1. tells the body to release insulin to lower blood glucose levels
2. tells the body to release glycogen to increase blood glucose levels
3. tells the body to release insulin to increase blood glucose levels
4. tells the body to release glycogen to decrease blood glucose levels
Write a food chain from this food web with six trophic levels.
Link In Comments
Answer:
where is the link I didn't see in comments
What is a major difference between DNA replication and DNA transcription?
Answer:
RNA molecules produced by transcription are much shorter in length than DNA molecules produced by replication.
Explanation:
In DNA transcription, only a segment of DNA is copied, or "transcribed," to a complementary strand of messenger RNA.
In DNA replication, the entire length of the DNA molecule is copied so that it can be passed to a new cell.
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Answer:
B
Explanation:
it was a question I had last week on my test.
Answer:
endoplasmic reticulum (ER)
Explanation:
Given that almost all organisms obtain energy from food by the process of cellular respiration, which is the most likely explanation for what prevents Earth from running out of oxygen? A. The net effects of the reactions of photosynthesis and cellular respiration are the opposite of one another, therefore the products of one are the reactants of the other, creating a cycle. B. The energy flow—and thus oxygen flow—for cellular respiration and photosynthesis take place in the same direction, and therefore build upon one another. C. Cellular respiration is a process that releases energy and oxygen, while photosynthesis withdraws energy and uses oxygen, therefore keeping each process in balance. D. Oxygen readily accepts electrons, so cellular respiration uses a negligible amount of oxygen.
Answer:
a
Explanation:
ther are many explanation
What do you notice about the Moon’s orbit?
Answer:The Moon has a nearly circular orbit (e=0.05) which is tilted about 5° to the plane of the Earth's orbit. Its average distance from the Earth is 384,400 km. ... Therefore, Earth-bound observers can never see the 'far-side' of the Moon. Tidal forces cause many of the moons of our solar system to have this type of orbit.
Explanation:
PLEASE HELP ME WITH THIS QUESTION
pls help me answer this
Answer:
Hypertonic:) u welcome
Explanation:
Answer:
I would probably say #4 All the previous could cause this
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Answer:
below
Explanation:
Radiation Transfer which is the fission of atoms, and conduction, which is the solidarity of atoms
Biology: Performance Task 1 (USATESTPREP) What goes in the blanks in each column of the Venn Diagram? Need help ASAP (30 minutes or less)
Answer:
ok hollup ima need to get it up
what spheres would be involved and in what way?
Answer:
The lithosphere contains all of the cold, hard solid land of the planet's crust (surface), the semi-solid land underneath the crust, and the liquid land near the center of the planet.
Explanation:
help
someone that knows it
Answer:
According to the image, the approximate QT interval is 0.4 seconds.
Explanation:
The QT interval is the space between the beginning of the QRS complex and the end of the T wave, which represents from the beginning of depolarization to ventricular repolarization.
Considering that the extandardized measurements of an EKG, where the paper circulates at a speed of 25 mm/s, 1 mm horizontal —measuring time— has an equivalence of 0.04 s.
In the image, there is 10 mm between the beginning of the QRS and the end of the T wave, so:
0.04 seconds X 10 mm = 0.4 seconds.
Then, the estimated QT interval is 0.4 seconds.
What is the outcome of meiosis?
A. Meiosis creates four identical daughter cells
B. Meiosis creates two unique daughter cells
C. Meiosis creates two identical daughter cells
D. Meiosis creates four unique daughter cells
Answer:
c
Explanation:
Answer:
d.four unique daughter cells
Explanation:
I learned this last year trust me ;)
What is a feedback mechanism?
How are cancerous cells different from normal cells?
Answer:
Cancer cells differ from normal cells in many ways that allow them to grow out of control and become invasive. One important difference is that cancer cells are less specialized than normal cells. That is, whereas normal cells mature into very distinct cell types with specific functions, cancer cells do not.
Explanation:
Hope this helps ya!!
Genetic counselors work mostly with
1 school counselors.
2 researchers in genetic engineering.
3 elderly adults who live in care facilities.
4 couples who are planning to have children.
Answer: couples who are having children
Explanation:
I got it right on my quiz
Least specialized cells to most specialized cells
Answer:
1) Zygote cell
2) Blastocyst cells
3) Mesoderm cells
4) Heart Cells
Hopefully, it helps. :)
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Answer:
Eukaryotic cells probably evolved about 2 billion years ago. Their evolution is explained by endosymbiotic theory. Mitochondria and chloroplasts evolved from prokaryotic organisms. Eukaryotic cells would go on to evolve into the diversity of eukaryotes we know today.
Hope this helps.
Explanation:
Answer:
Eukaryotic cells :)
Explanation:
. Oleander is a very hardy plant that can survive in a wide
variety of climates. It is also known to have very distinct
hydrotropic behavior. Explain how this may be problematic if
the oleander is planted near a home or business.
Answer: you have to tend to it for 1 hour ever day and make sure there are no weed taking the water.
Explanation:
Based on the data you collected, who likely left the the classroom mess?
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One difference between weather and climate is that _____. climate is localized, and weather occurs over large areas. weather is localized, and climate occurs over large areas. weather is the day-to-day conditions, and climate is the conditions expected over relatively long periods of time. climate is the day-to-day conditions, and weather is the conditions expected over relatively long periods of time.
Answer:
Weather is the day-to-day conditions, and climate is the conditions expected over relatively long periods of time.
Explanation:
The difference between weather and climate is how long the period of time they refer to is.
Weather is what conditions of the atmosphere are over a short period of time, or day-to-day conditions. It's what we see on the weather forecast every day - whether it's going to be sunny or rainy today and tomorrow and similar.
Climate is what conditions of the atmosphere are over longer periods of time, usually 30 years. In fact, it's an average pattern of weather for a particular region. A description of a region's climate will include the precipitation, temperature, humidity, sunshine, wind velocity, phenomena such as fog, frost, and hail storms, and similar conditions.
4. When an offspring grows off from the body of a parent organism it is called __________________. *
a.fission
b.budding
c.fragmentation
d.sporulatioin
Answer:
Budding
Explanation:
It is asexual reproduction in which offspring grows out of the parents organisms.
In the process of budding, an offspring grows off from the body of a parent organism and buds off when fully matured. Thus, the correct option is B.
What is Asexual Reproduction?
Asexual reproduction is the type of reproduction only a single parent is involved. In this process, offspring are developed from a single parent called mother cell and these offspring are genetically identical to the parent hence are also called as clones.
During the process of budding which is a types of asexual reproduction, a new organism develops from an outgrowth or bud which is formed on the parent plant due to the cell division at a particular site on the parent plant. For example, the small bulb-like projections coming out from the yeast cell are the buds which give rise to new yeast organism.
Therefore, the correct option is B.
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A new microorganism is isolated from a lake and is placed into a solution of KCl. The voltage difference across its membrane is measured at 120 mV. How much energy is required to move a proton from the negative side of the membrane to the positive side?
Answer: [tex]\Delta U=[/tex] 1.922x10⁻²⁰ Joules
Explanation: Electric Potential Energy (U) is the energy a charged object has due to its location in an electric field and it will only exist with the object is charged.
Voltage or Electric Potential Difference (V) is external work done to move a charge from one point to another in a electric field.
These terms have a relationship, which is given by:
[tex]\Delta U=q\Delta V[/tex]
where
q is the charge
Proton is positive and has a charge of 1.6x10⁻¹⁹C.
Unit for potential energy is Joule (J). The relation between mV and J is
1mV = 10⁻³J
Then:
V = 120x10⁻³
V = 0.12
So, for a proton to move from the negative side of a membrane to the positive:
[tex]\Delta U=q\Delta V[/tex]
[tex]\Delta U=1.6.10^{-19}.0.12[/tex]
[tex]\Delta U[/tex] = 1.922 x 10⁻²⁰
Energy necessary to transport a proton from negative side of the membrane to the positive is 1.922 x 10⁻²⁰J.
Is cellulose a monosaccharide, disaccharide, or polysaccharide.
Answer:
Monosaccharide.
Explanation:
The major component in the rigid cell walls in plants is cellulose and is a linear polysaccharide polymer with many glucose monosaccharide units. This is the storage form of glucose in animals and humans which is analogous to the starch in plants.
Answer:
It is a polysaccharide
Explanation:
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