During a new moon, the moon is
a) in between earth and the sun.
b) in front of the sun, in back of earth.
c) in front of earth, in front of the sun.
d) alongside earth and in front of the sun.

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.

and after water is usually warmed by the sun the water temperature raises and then evaporates .