ANSWER:
amount of energy available in a chemical system for a reaction to take place.
Step-by-step explanation:
Activation Energy. The term Activation Energy was presented in 1889 by Svante Arrhenius, a Swedish researcher. It is characterized as the slightest conceivable measure of vitality (least) which is required to begin a response or the measure of vitality accessible in a substance framework for a response to take place