C. Mitosis: mitotic division produce 2 genetically identical cells, so it’s not a source of genetic variation.
She was running harder than she usually does, so she worked up a sweat.
Her body needed to burn food more quickly to get energy to run hard.
Her body needed to use more heat energy
Answer:The mitochondria take place most of the steps of cellular respiration. Both oxygen and glucose are cellular respiratory reactants. Cellular breathing is primarily ATP; carbon dioxide and water are waste-products.
Explanation:
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