Cells, tree, digestive system, public transportation system, government systems, school systems, families, dog, forest, pond, prairie, communication systems, towns, insect, solar system, weather systems, bird, correctional system, squirrel, soil, etc.
Answer:
accepting electrons at the end of the electron transport chain.
Explanation:
Answer:carbondioxide is taken in, and reduced to glucose by reducing it's oxidation numbe
