Biology, 07.06.2020 18:57 veraanna2015
Decide if the following sentences are true or false. You have to correct the false ones.
a) There are four kinds of coal depending on their carbon content.
b) Coal is usually found in liquid state.
c) Fossil fuels are the result of the descomposition of plants and animals from the past.
d) Petroleum is the cheapest source of energy.
Answers: 2
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Decide if the following sentences are true or false. You have to correct the false ones.
a) There a...
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