They destroyed the sandcastle in an act of malevolence
a. sportsmanship
b. jealousy
c. ill will
d. bad manners

The answer is C. ill will.

The answer is b i guess

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.