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Rashid [163]
3 years ago
10

What karst feature represents the most advanced stage of erosion?

Biology
1 answer:
iragen [17]3 years ago
5 0
The Tower Karst <span>represents the most advanced stage of erosion.</span>
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Hi!:) can you please complete this for me? i’m a little confused.:)
Leya [2.2K]

1. The sun

2. Chemical energy

3. Photosynthesis

4. Store

5. release

6. Cellular respiration?

Last one I'm not 100% sure.

8 0
3 years ago
What does the ozone layer do for us ? please help quickly !! will give brainliest
garik1379 [7]

Answer:

The stratospheric ozone layer absorbs ultraviolet (UV) radiation, preventing dangerous UV rays from hitting Earth's surface and harming living organisms. UV rays cannot be seen or felt, but they are very powerful and change the chemical structure of molecules.

Explanation:

4 0
3 years ago
Read 2 more answers
Hormones or paracrines that inhibit gastric secretion include ________.
enot [183]

Answer:

This question lacks options, options are:

A) histamine

B) gastrin

C) secretin

D) ACh

The correct answer is C.

Hormones or paracrines that inhibit gastric secretion include <u>secretin </u>.

Explanation:

Hormones pass into the blood that waters the digestive system, go to the heart, circulate through the arteries and return to the digestive system, where they stimulate the production of digestive juices. The hormones that control digestion are gastrin, secretin and cholecystokinin. Secretin is stimulated by intestinal acid at the duodenal level. Its effect inhibits gastric acid secretion, prostaglandin secretion and via somatostatin release. It decreases gastric emptying and stimulates bile and pancreatic bicarbonate secretion.

7 0
3 years ago
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Use your understanding of the nitrogen cycle to answer the questions provided. The nitrogen cycle could not exist without
nalin [4]
The nitrogen cycle could no exist without bactria. bacteria that lived inside the ground, catch the nitrogen that has been fixed and covert it into nitrate.
3 0
3 years ago
True or false: Theoretically, it is possible (but very difficult) for a population to not evolve for a while.
Debora [2.8K]

It is true that it is possible for a population to not evolve for a while.

There is something called the Hardy-Weinberg theorem, which characterizes the distributions of genotype frequencies in populations that are not evolving.

There are 5 Hardy-Weinberg assumptions:

  • no mutation
  • random mating
  • no gene flow
  • infinite population size
  • and no selection (natural nor forced).

You can see that some of these are kinda extreme and really hard to get, but with approximations, we can work.

For example, instead of an "infinite population size" we have enough with a really large population, such that genetic drift is negligible.

Concluding, yes, it is possible (but really difficult) for a population to not evolve for a while (at least, in nature), as long as the 5 assumptions above are met.

If you want to learn more, you can read:

brainly.com/question/19431143

7 0
3 years ago
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