What are three ways that earth is different from other planets?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.