(select all that apply.) the four organic molecules common to organisms are proteins, sugars, fats, amino acids, methane, nucleic acids, carbohydrates

Explanation:

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Organic molecules are mainly made up of carbon, oxygen, hydrogen and nitrogen.

The four organic molecules are:

proteins,

nucleic acids, carbohydrates

lipids (fats.)

Those are the correct answers, of all the proposed options.

the most common energy conversion is from kinetic energy to potential energy, and then from potential energy to kinetic energy.

later on comes the heat energy, mechanical energy, and other energy conversions.

this energy conversion is so common that we can find it in our day to day lives as well.

- one of the most common energy conversions involves the changing of potential energy to kinetic energy or kinetic energy to potential energy