Help please I’m on a time limit due at 3:20 pm

Are the earth's ocean floor and continents the same age geologically? why or why not?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.