Answer:
i play tennis, and before a match it's customary to practice with your opponent. it gives you a chance to see how to the other player plays the game. plus if you're practicing it's not competitive, it's cooperative. so you aren't trying to beat each other at practice.
Answer:
I'm pretty confident that the answer is A.
Explanation:
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.