A broad, marshy, triangular area of land formed by silt deposits at the mouth of a river.
I took notes about this a long time ago
I would say B-growth of a villages into cites or C
<span>Lake Mead is the largest reservoir in the United States, measured by water capacity. It is on the Colorado River about 24 mi from the Las Vegas Strip southeast of the city of Las Vegas, Nevada, in the states of Nevada and Arizona.</span>
Answer:
The imaginary line that separates light from the darkness and day from the night is known as the circle of illumination. Earth's axis refers to an imaginary line going through the centre of the earth from top to bottom. The circle of illumination cuts all latitudes into half on the spring and autumnal equinoxes.