As we inhale air, oxygen enters the respiratory system and the circulatory system to transport it to the other parts of the body and to all cells. As the oxygen is already transported, the blood becomes deoxygenated and carries a CO2 which returns to the lungs and then we exhale the carbon dioxide.
Answer & Explanation:
There are four main stages of mitosis. Those are prophase, metaphase, anaphase, and telophase.
The stages are also shown below on the diagram. Hope this helps!
Answer:B
Explanation:because mercury has a very thin atmosphere.
The following is most likely true of a core sample of old, mature soil as D. It consists of several layers of different kinds of materials.
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What is mature soil?</h3>
Soil is bodily mature while it attains a moisture stage that permits it to interrupt into clumps measuring 1–10 mm. (With a better moisture content, the soil sticks to the tillage implement; with a decrease moisture content, the soil breaks into big clumps and clods.)
A soil can not be more mature than the oldest bushes developing in it. It can not be older than the substances wherein it paperwork or the panorama on which it's far found. Soil scientists paintings with geologists to decide how vintage the panorama is, and the way lengthy the figure substances had been there.
Read more about the geologists :
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