Explain how gravity and fusion have opposite effects on a star?

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.

i think that the best answer would be c.

tell me if im wrong : )

this protocol provides a detailed procedure for agarose-based ip to purify and enrich the protein of interest.