Momma birds hatch an egg and then later the chick comes out of the egg
Answer:
The amount of water on earth is constant, or nearly so.
ANSWER:
Biomass is a fuel that is produced from all the organic materials made by plants and animals. It is used as an energy source for many domestic purposes. The most common biomass materials used for energy are plants, wood, and waste. Biomass can be burned to create heat, converted into electricity, or processed into biofuel. Biomass can be burned by thermal conversion and used for energy.
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Leaders are greedy for more power and land, a large population requires more food, neighbors are becoming to strong
A. S waves are also called secondary waves