Im pretty sure its petrolrumd
Elaborative rehearsal is a memory system that includes contemplating the significance of the term to be recalled, instead of essentially rehashing the word to yourself again and again. For instance, you have to recall the expression "neuron."
Answer:
Plants need to excrete excess carbon dioxide and oxygen. Carbon dioxide is a waste product of aerobic respiration in plant cells. Oxygen is a waste product of photosynthesis .