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exis [7]
3 years ago
6

How could the adaption of valves in leg vains allow a human to better survive in its environment.

Social Studies
1 answer:
Yuri [45]3 years ago
3 0
The answer is that <span>healthy </span>legs<span> have </span>veins<span> with smooth, elastic walls that </span>are<span> perfectly designed to </span>adapt<span> to the changes in pressure within a </span>vein<span>. </span>Veins<span> have </span>valves<span> that keep blood moving in one direction: back toward the heart. As the </span>leg<span> muscles </span>are<span> activated, the </span>venous valves<span> open to </span>allow<span> one-way flow in the direction of the heart.</span>
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Please help me! <br><br><br> What were the sources of Darwin’s ideas?
konstantin123 [22]

1.)  Breeding 2.Population 3.earth's history 4. Natural selection.

5 0
3 years ago
Brenda is always ready with a story to tell about performance in her area. Unfortunately, Brenda sometimes leaves out important
olga55 [171]

Answer:

The answer is "Oral reports"

Explanation:

Oral reports are spoken presentations that a person give to an audience on a specific topic. There are two types of oral reports:

  1. <u><em>Informal oral reports:</em></u> this one is peculiar because it is usually for small groups and there is a present interaction with the audience.
  2. <u><em>Formal oral reports:</em></u> these are prepared well for an advanced presentation.

Every oral report needs to have these parts:

  1. Introduction
  2. Body
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5 0
3 years ago
A good example of Synthetic Cubism, Violin, Fruit and Wineglass by Picasso utilized papier collé, which became known as_________
qwelly [4]

Answer:

The correct answer is: Collage.

Explanation:

Collage is an art technique that consist of assembling different forms in order to create a new one.

Pablo Picasso was one of the first artists that used this technique in one of the 1912 works known as Still Life with Chair Caning (Nature-morte à la chaise cannée) in which he sticked parts of oilcloth in the canvas in which he was painting a piece. That technique became famous during the 20th century and it was mostly used in the visual arts.

In conclusion, a good example of synthetic cubism, violin, fruit and wineglass by Picasso utilized papoer collé, which became known as Collage.

3 0
3 years ago
A speaker's facial expression can add a different meaning to his words.........true or false
Setler79 [48]
This is true, because when you are talking about something bad like a death or something like that you have a sad face, or when you're angry, you have a mad face, and so forth.
5 0
3 years ago
Read 2 more answers
Mention the function of supreme court in points.​
Reptile [31]

Answer: 1. they Are the top of the line judges

2. they decided if laws are unconstitutional or if they are

3. they can not say a law is unconstitutional unless somebody sues.

Explanation:

the constitution says so

5 0
2 years ago
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