(Q).
Q: What consist of chains of small molecules called nucleotides? Choices: - Atomic acids - structural acids - nitrous acids - nucleic acids A:
(A).
nucleic acids

(Q).
Q: Green plants known as producers provide basic food supply for what besides themselves? Choices: - minerals - air - water - animals A:
(A).
animals

(Q).
Q: The migration of what familiar coastal landform involves saltation and gravity? Choices: - volcanos - lakes - rivers - sand dunes A:
(A).
sand dunes