The air that we breath is made mostly of which gaseous molecule?

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.

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?