Which sentence below demonstrates correct subject-verb agreement? A.
The group of ideas floating around in my head need to come out.
B.
A book is like a friend who come back to visit from time to time.
C.
The problems, which is relatively minor, exists due to my own making.
D.
A favorite poem of mine remains Rudyard Kipling's "As the Bell Clinks."

The details about the statues, i believe, are that they're carved from blocks of igneous stone, many of them are partially buried under the ground which to preserve and protect them from the harsh environment on easter island, and many of the facial features have washed away. also, the most well-preserved one is at the british museum in london.these are just guesses from what i can see and what i think i read correctly. i'm sorry i couldn't be more .

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.