An alkane with 9 carbon atoms will have how many hydrogen atoms?
O 22
O 18
O 16
20

14 days is the half-life of phosphorus-32

plasma - state of matter made up of electrically charged particles

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.