I'LL GIVE BRAINLIEST (if I can)

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

Choose the molecule that is described by each phrase. energy used during long activities:

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.