A resource that nature can replace in a short amount of time.

Fuels formed from the organic remains of prehistoric plants and animals

A solid fossil fuel typically used for creating energy.

A resource that cannot be replace by nature

to use

To use something carefully

A liquid fossil fuel typically used for fuel

A fossil fuel in the form of gas typically used for thermal energy.

Extremely small plant or animal

The remains or traces of past life found in sedimentary rock

cycle that shows how different types of rocks are formed

rock pieces that have been weathered by wind, water, or ice.

A rock formed from layers of sediment that have been pressed and cemented together.

The breaking down of rock into smaller pieces by wind, water or ice.

The moving of sediment by wind, water or ice.

The dropping of sediment in a new location by wind, water or ice.

When sediment particles are pressed closer together

When sediment particles are cemented together by minerals

period of time before there were written records

No longer in existence

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