What is environment ??
don't explain~ !!​

the complex of physical, chemical, and biotic factors (such as climate, soil, and living things) that act upon an organism or an ecological community and ultimately determine its form and survival is environment. i hope it helps you.

the surroundings or conditions in which a person, animal, or plant lives or operates.

c

explanation:

idk

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.