Answer: is this the full pic? Neither of these seem to answer the question.
Explanation:
The correct answer is benefactor
A wealthy benefactor is a person who donates money for a cause. They donate so much of it that we have them to thank for something that happens.
Answer:
Author's tone is how an author conveys a mood/emotion.
Explanation:
Mood can be created through grammar and vocabulary.
For example:
longer sentences make the writing more sombre and solemn.
Another example:
"I am disgusted by his repulsive behaviour"
"Disgusted" and "repulsive" creates an angry tone, rather than "his behaviour was kinda bad" which is way less impactful.
Hope this helps!!
I think it's most likely that the flood deposited silt on the land, which made it fertile and allowed crops to grow in it.