How do variations become adaptations​

Which is an example of a population?

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis