The rivers start from the mountains or hills.
The length of daylight and nighttime are of equal length on an equinox because the center of the sun spends a roughly equal amount of time above and below the horizon at every location on the Earth.
Answer:
1. D
2. A
3. Not sure, don't know what the images are.
4. Same as 3.
A glacier that covers a wide area is called a continental glacier.
Hope this helps.
