a particular type of stone that is often used in jewerly is formed from carbon particles taken from the earth. in a lab the carbon particles are placed under extreme heat and pressure until they join together and form a very strong crystal shape. Is this a mineral? Help me :,)

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Explanation:

answer; protein;

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.