Verb means the action of the sentence, the action going on is 'ate', so that is the verb.
Answer:
The details from "The Oasis: Africa" best support the central idea that nature can be severe and unkind are "For eight weary days we had crawled across the burning desert."
Explanation:
The sentence "The Oasis: Africa" best support the central idea that nature can be severe and unkind are "For eight weary days we had crawled across the burning desert." is the only one that talks about natural elements and how harmful they can be to humans, the other options talk about poverty and consequences of it.
Considering the purpose of most propaganda, C) should be most wary of in this footage i.e; the bias present in propaganda materials.
D. absolutely. that is how you correctly write the date.