An earthworm has a complete digestive system. how does the earthworm remove undigested food? a. it uses the same opening in which the food was taken in. b. the waste diffuses out through the skin. c. waste is removed through a designated opening. d. tentacles are used to remove the waste.

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal