Answer choices are:
a. Silt
b. Mud
c. Moss
d. Fertilizer
The correct answer is:
A. Silt
Ancient Egypt couldn't have existed if the watercourse of Nile River wasn't there. Since downfall is nearly non-existent in Egypt, the floods provided the sole supply of wet to sustain crops. Every year, significant summer rain within the Ethiopian highlands, sent a torrent of water that overflowed the banks of the river.
