Answer:
A
Explanation:
This showed that at one point all continents were joined
The structure that surrounds the cell membrane of some cells, giving the cell a rigid shape is the cell wall.
Answer:
B; Not work
Explanation:
Water constantly moves around the Earth and changes between solid, liquid, and gas. This all depends on the Sun's energy. Without the Sun there would be no water cycle, which means no clouds, no rain, no weather.