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Explain How Modern Humans Spread Across the Globe

question 42

Essay

Explain how modern humans spread across the globe.


Definitions:

Liquefied Petroleum Gases

Flammable hydrocarbon gases including propane, butane, and mixtures of these gases, which are used as fuel in heating appliances, cooking equipment, and vehicles.

Breeder Reactor

A nuclear reactor designed to produce more fissile material than it consumes, typically using uranium-238 or thorium-232.

Coolant

A substance, typically a liquid or gas, used to reduce or regulate the temperature of a system or component.

Plutonium

A radioactive chemical element used as fuel in nuclear power plants and in the manufacture of nuclear weapons.

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