Complete the paragraph using the words from the word box. ________________ is the process by which both...

Complete the paragraph using the words from the word box.
________________ is the process by which both plants and animals convert ______________ into a usable form of energy called ATP in the presence of the gas called ______________. Cellular respiration occurs in the organelle called ______________, which is referred to as the power plant of the cell. As energy is generated for the cell, ______________ and ______________ are released into the atmosphere for plants to start the process of photosynthesis. Both of these processes are needed for life on Earth to continue to exist.