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aleksklad [387]
3 years ago
5

Why do you think it's important for scientists to study plate tectonics? Explain.

Biology
1 answer:
Debora [2.8K]3 years ago
6 0
Scientists are helping to improve understanding of how rocks in Earth's hot, deep interior enable the motions of tectonic plates, which regulate the water cycle that is critical for a habitable planet.
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Classify each process as weathering and erosion.
kobusy [5.1K]
Two on bottom are erosion and the top left one.   the other two on top are weathering
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3 years ago
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Help <br> How many molecules of oxygen is need to undergo cellular respiration?
disa [49]

Answer:

At least 6. You have to look at the chemical formula for cellular respiration and make sure it is balanced!

C6H12O6+6 O2→6 CO2+6 H2O

Explanation:

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Which of the following statements about the use of prescribed fires in the Everglades is true?
Natalija [7]

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All of the above

Explanation:

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3 years ago
A forest has two groups of plants that appear to be very similar both phenotypically and genotypically. The major difference is
Andru [333]
<span>In order to know whether the plants are members of one population with great diversity or actually members of the same species we can attempt to find out whether they reproduce or not. That's one of the main aspects of two organisms of the same species - fertility.

We could start by setting up some kind of artificial environment where both plants would pollenise at the same time, or we could also collect the pollens from both plants and store it to use them in a different time of the year than that of their production. 

After having the pollens available from both plants we could fertilise a group of both plants with each other's pollens (the actual object of study), and also fertilise a group of both plants with their own pollens (so we can have a control for the quality of the pollens and the plants - in this group it is expected to have offspring, if there isn't we cannot take into account any other results).

After the fertilisation, we should now count the offspring. If there is offspring resulting from the crossed plants, they are probably of the same species. We could also compare these plants with the offspring of the normal crossing to check whether there were major differences (such as health issues, or offspring number) that would lead to conclude that still there wasn't compatibility. 

By creating a hybrid between this two groups, even if they are from the same species, we may have to take also into account that they may have different required conditions than their parent plants.

</span>The study should be repeated a few times or the number of plants involved should be large enough to be statistically relevant.
5 0
3 years ago
16. During the signal transduction process, the signal often triggers a signal transduction cascade. For example, a single activ
Naily [24]

Answer:

The cascade amplifies the signal.

Explanation:

The purpose of the cascade is to transmit a signal to other components in the shortest time possible and do it massively, so when a receptor is activated, this affects a high number of receptors. By doing a cascade reaction, the information travels very fast, achieving the objective quickly, and without a significant loss of energy, in other words, is an efficient method.

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3 years ago
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