Which part of the nucleotide contains the element Nitrogen? a. all of the choices contain nitrogen
b. sugar
c. phosphate
d. base

What is the name of the two satelites on mars

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

What is responsible for the uneven heating between the poles and the equator on any given day