HarmonysMother143 HarmonysMother143

01-04-2017
Biology

contestada

All fossil fuels contain this element.

Respuesta :

01-04-2017

Fossil fuels are hydrocarbons comprised primarily of the following elements: carbon and hydrogen and some sulfur, nitrogen, oxygen, and mineral matter.

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xxxtentacionfan xxxtentacionfan

22-05-2019

I did the same quiz, the answer is hydrogen

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