C. Over come difficult terrain.
Farmers use this technique on uneven or mountainous terrain
1. The plates in the planet’s surface move because of intense heat in the Earth’s core, that causes molten rock in the mantle layer to move.
2. This one is simple: The <span>gravity and the rotation of the planet causes the plates to shift and move.
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The surface of Earth's moon is pockmarked with millions of craters left when asteroids and other space rocks crashed into its surface over millions of years. Sometimes, from Earth, the pattern of craters looks like a face peering down.
Answer:
Poor rainfall and lack of natural water stores.
Explanation:
I'm not sure what answers you're given, so two ways that it can happen naturally are if harsh weather persists (leading to lack of rain and overall water shortage) and a lack of natural water stores (think natural resevoirs and rivers)
Hope this helps!