The Moon appears to change shape because we see different amounts of the lit part as the Moon orbits Earth. From Earth's perspective, we see varying amounts of the illuminated part of the Moon.
Might be wrong but, sinkholes
It can carry nutrients to their farms, or it can carry the pre-existing nutrients away
The Coriolis effect that is caused by Earths Rotation
The volcanic ground it the most fertile kind of soil.
This is why many people live around them, even whey those volcanos still activated, like in Hawaii.
Bul the volcanos lave came from the core of the earth, and with millions of ears the get inactivated, this means they don't explode.
