True or false burning fossil fuels relaeses carbon dioxide into the atmosphere

True

Explanation:

It is true that the burning of fossil fuels releases carbon dioxide into the atmosphere. In fact, the combustion of fossil fuels is one of the leading causes of global warming of the Earth.

Combustion of fossil fuels releases a significant amount of carbon dioxide which a greenhouse gas.

The gas prevents heat from leaving the Earth which leads to global warming.

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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