Question

Which two activities provide the reactants for cellular respiration?

breathing out carbon dioxide and exercising
breathing in oxygen and exercising
breathing out carbon dioxide and eating food
breathing in oxygen and eating food

Answer 1

Breathing oxygen and eating food, which are the products of photosynthesis. Cellular respiration occurs in plant and animal cells. Plants use sunlight during photosynthesis to convert energy from the sun in order to manufacture sugar and the chemical energy ATP and to release oxygen.

Step-by-step explanation: