Answer:
They are called Mygalomorphs.
Explanation:
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Brainliest Please!</em></u></h2>
Photosynthesis. These are the reactants for photosynthesis and the products of cellular respiration.
The energy needed by a system to initiate a process is called as the activation energy. It describes the minimum energy which must be available to a chemical system with potential reactants to result in a chemical reaction. Hope this answers the question.