Which statements about the Milky Way are true? Choose more than one answer. It is constantly moving

Stars and planets make up most of its mass

It contains very little dust and gas

It contains millions of stars

It has a spiral shape

It has an undefined shape

Answer B, D, E

Explanation:

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.