Help me ASAP please I’m being timed

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

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.

What advantages does a pedigree have over a written passage?