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English
B2

a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.

Meanings

a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.

Coal is a type of fossil fuel that has been used for centuries.

Synonyms

Antonyms

a non-renewable energy source derived from the remains of ancient plants and animals.

The burning of fossil fuels is a major contributor to air pollution.

Synonyms

Antonyms

Last updated: 2025/01/11 11:51