Well there's Water, Earth, Fire, and Air. Not quite sure how this would be a school question. But here it is.
Answer:
<em>Definition. A ribosome is an intercellular structure made of both RNA and protein, and it is the site of protein synthesis in the cell.</em>
Hope its helpful!
Answer:
false
Explanation:
These different faces are called phases and they are the result of the way the Sun lights the Moon's surface as the Moon orbits Earth. The Moon can only be seen as a result of the Sun's light reflecting off it. It does not produce any light of its own.
Answer should be A system
