I believe his anger disappeared, as he too wanted to patch things up.
This has to do with Milton's Paradise Lost, where Eve ate from the Tree of Knowledge, and then made Adam do it as well, which caused them to fall from grace. She started apologizing to Adam, saying that it was in fact her own fault, and because they loved each other, he forgave her because he wanted to be with his wife again.
A—
This sentence pretty much sums up what the writer of the passage wants to talk about. The other ones do not fit with the sentence “water is one factor that is necessary for growth” and do not fit the idea of the passage, which is what factors affect plant growth.
Answer:
he used angry tone because he were angry
