The Top and Bottom Layers of the Mantle Are Strong

question 31

True/False

The top and bottom layers of the mantle are strong and hard but the middle layer is weak and flows like cold honey.

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Definitions:

Propane

A flammable hydrocarbon gas used as fuel in heating appliances, cooking equipment, and as a fuel for engines.

Kerosene

A flammable hydrocarbon liquid commonly used as a fuel in heating, lamps, and jet engines.

Heating And Cooling

Heating and cooling refer to the processes of raising or lowering the temperature of an environment, object, or substance, often to achieve comfortable living conditions or specific industrial requirements.

Unheated Basements

Below-ground level spaces in buildings that do not have an active heating system, often leading to cooler temperatures year-round.