True or false? all elements are compounds

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

Illustrate, label, and explain how atmospheric carbon and oxygen find there way into a consumer and then back into a producer. include the following terms in your illustration: co2, 02, respiration, photosynthesis, sugar, mitochondria, chloroplast, water, solar radiation

Which level of consumer had access to the smallest apply of energy