Which details from "The Oasis: Africa" best support the central idea that nature can be severe and unkind.
SELECT ALL CORRECT ANSWERS!

A. "In a short time we were on the fringe of one of the most delicious spots I have ever seen."
B. "For eight weary days we had crawled across the burning desert."
C. "The misery of hunger, torture of thirst; the unending discomfort of swarming lice."
D. "A well-struck blow and the water-skin would be theirs."