Answer:
The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle. It is just like when you mix oil and water: the oil will float to the surface because it is lighter (or less dense) than the water.
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Answer:
Explanation:
they could grow their crops somewhere that there is rich soil, they could put gmo in their food, they can make sure it is the right season to grow. there is a lot of ways that a famine in general can be avoided.
Answer: more accuracy in a lot percatage
Explanation:
Answer: Archaea
Explanation:
Methanogenic Archaea produce methane.
