How did flooding rivers contribute to the beginning of farming communities?


A.
They irrigated the crops when they overflowed.

B.
They created a marshy environment good for planting.

C.
They provided water and stayed within their banks.

D.
They left rich soil when floodwaters receded.
I think it is B.

or c?

Nope. Neither B or C is correct.

its d

ya i think its d

Then what is the answer??? I'm having trouble with this!

Actually, the correct answer is D. Flooding rivers contributed to the beginning of farming communities by leaving behind rich soil when the floodwaters receded. This process is known as silt deposition. Here's how you can arrive at the correct answer by reasoning through the options:

A. They irrigated the crops when they overflowed: This option suggests that the floods themselves provided water for irrigation. However, this is not entirely accurate, as flooding itself can damage crops rather than irrigate them.

B. They created a marshy environment good for planting: While floods can create wet environments, marshes are typically not ideal for planting and cultivating crops due to poor drainage. This option is incorrect.

C. They provided water and stayed within their banks: This option implies that floods provided a stable water source for farming. However, floods are notorious for breaching river banks and can cause damage to crops and infrastructure. This option is not accurate.

D. They left rich soil when floodwaters receded: This option is the correct answer. Floodwaters often carry nutrients and sediments, depositing them on the surrounding floodplain when the floods recede. This process enriches the soil, making it fertile and suitable for agriculture.

By evaluating each option, you can conclude that the flooding rivers contributed to the beginning of farming communities primarily through the deposition of nutrient-rich soil after the floodwaters subsided.