Answer:
supplying oxygen to cells and tissues. providing essential nutrients to cells, such as amino acids, fatty acids, and glucose.
Explanation:
it jus makes sure that we get oxygen to our cells and tissues so we dont die.
Answer:
The frogs come from two sources, a mother and a father. The mother and the father have different genes so therefore, they are not going to look identical to one another.
Explanation:
<span>the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
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