What's the answer to this question?

C.

In order to build the main idea you need to support it, and you can only do that with details that complement it.

Hope this helped!

Okay, biology isn't exactly my strongest subject (it never has been), but i'm pretty sure the answer is nucleotides. dna is made up of nucleotides. each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. there are four different nitrogen bases: adenine (a), thymine (t), guanine (g), and cytosine (c). a always pairs with t, and g always pairs with c.

Cpumpkin pie is a popular dessert influence by medieval and colonial history