i didnt understand it too sorry
You have to choose letter B
The answer would be:
C: all cells are similar in structure and function
<em>Even though this answer is correct in content, this was not mentioned in the main idea of cell theory.
</em>Hope this helps c:
Answer:
the plates push up, forming a mountain range
Explanation:
When continental plates collide, mountains form. The least understood of all tectonic boundaries, continental plates have greater density, sometimes reaching lower than the mantel.