What is chemical reaction? Give an example of each of exothermic and endothermic reaction

Endothermic and exothermic reactions are chemical reactions that absorb and release heat, respectively. A good example of an endothermic reaction is photosynthesis. Combustion is an example of an exothermic reaction. The categorization of a reaction as endo- or exothermic depends on the net heat transfer.

Heat is absorbed (feels cold): heat is released ...

Increase in enthalpy (+ΔH): decrease in enthal...

Explanation:

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i think the answer would be b

answer///terminator or twilight zone;