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Tcecarenko [31]
3 years ago
6

Which best explains the circulation system within mammals?

Biology
1 answer:
natka813 [3]3 years ago
3 0
<span>A. Mammals use a closed, double-loop circulatory system aided by a four-chambered hearts.

The four chambered heart of a mammal is divided into two atria and two ventricles. Double-loop circulatory system is used. One loop for oxygenated blood, the other loop for deoxygenated blood.</span>
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What is the melting point of platinum?
Butoxors [25]

Answer:

3215 F would be the platinum melting point.

it boiling point is 6917 F.

Explanation:

There is not much to explain other then heat melts metals when high enough, I know this because I own a forge and platinum is one thing I use for melting.

4 0
3 years ago
Which of the following are used to document evolution
Georgia [21]

Answer:

geologists and paleontologists/scientists ? (i would need to know the options, but that's what answer i think)

:) have a nice day love ❤

Explanation:

8 0
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Brief summary of conservation of forests &amp; wildlife <br><br> least 10 page
wel

With the advent of industrialization, several trees have been cut at an alarming rate for raw materials and various other purposes. This felling of trees can be regulated by selective cutting, clear-cutting and shelterwood cutting.

Forest fires are one of the common causes of loss of forests. Sometimes the forest land is set on fire to make the land available for commercial purposes. Once cleared, there can be no vegetation. Natural forest fires are also responsible for the destruction of huge forest covers. Latest fire fighting techniques should be adopted to conserve the forest. However, forest fires are an important part of the ecosystem and it helps replenish nutrients in the soil from dead and decaying matter.

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Prevention of exploitation of forestry and forest products is necessary for the conservation of forest.

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8 0
2 years ago
When you examine the mouth, you see that the soft palate is moist and pink with whitish spots?
rusak2 [61]

Mouth assessment is perform to check a person’s health. Upon examining, the soft palate is moist and pink with whitish spots, which may indicate an infection usually tonsillitis. The person must be advised to visit a physician for a healthy soft palate must be free from any spots or patches and pain.

<span> </span>

6 0
3 years ago
Which of the following is a probable source of earths magnetic field?
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