48) which of the following is true for all exergonic reactions? a) the reaction goes only in a forward direction: all reactants will be converted to products, but no products will be converted to reactants. b) the products have more total energy than the reactants. c) a net input of energy from the surroundings is required for the reactions to proceed. d) the reaction proceeds with a net release of available energy. e) they make large molecules from small molecules.

D) The reaction proceeds with a net release of available energy.

Explanation:

Exergonic reactions are those that proceed with a net release of available energy. This type of reaction is part of cell metabolism and is very important for the body's vital reactions.

This is because this type of reaction releases energy for cell work from the degradation potential of organic nutrients, unlike endergonic reactions that absorb energy applied to cell function, producing new components.

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

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