Answer:
C. Oxygen
Explanation:
Most, if not all living things use oxygen in some shape or form. While Helium is the most abundant element, it is asking for living things, in which oxygen is a vital building block in maintaining life. Without oxygen, most animal species and humans would die.
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Theres 2 covalent bonds in one water molecule and Plants use capillary action to bring water up the roots and stems to the rest of the plant.
Mitosis you end up with diploid cells meaning two identical daughter cells. the genetic contents of the cells from mitosis are identical to the original cell or parent,whereas in meiosis the homologous pairs attached to each other resulting in different daughter cell each time
The Integumentary System.
Answer:
C.
Explanation:
A theory is not a guess but an explanation of <u><em>why</em></u> things happen.
