Which class of vertebrates is considered to be the first to develop lungs, allowing them to become terrestrial organisms? a) reptilia b) aves c) mammalia d) amphibia

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil. plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.

The vast majority of land management methods implemented by corporations are voluntary. select the best answer from the choices provided t f