Answer:
8. A
Explanation:
they are moved by strong, steady winds called unidirectional winds, which move from the south west to the north east
They looked and saw Rosalind Franklin's X-ray crystallography which sparked them to think about the double-helix structure, and from there, they played around with cafeteria items (forks and spoons and whatnot) to create a model that finally worked.
By geans that how your welcome