Which of the following could be a nucleotide of dna?

Gettysburg address question. what is the best line from the address? why do you think so?

Which of the following is not part of the constitution

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world