How is it possible for frederick and anna to marry?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures