The word you're looking for is waning. When the moon's illumination is increasing, it is waxing.
Answer:
There are two things that cause landforms on the Earth's surface to change. These are human forces and forces in nature. Human Forces include Possibilism where humans change a surface for their own gain. Natural forces inclyse daily processes of precipitation, wind and land movement result in changes to landforms over a long period of time. Driving forces include erosion, volcanoes and earthquakes.
The answer is the second one: Many Mongolians are pastoral nomads who raise livestock for a living.
Answer:
I think the ans is option no. B
Volcanoes provide essential soil nutrients for agriculture.