The cycling of carbon between the living and non-living parts of the Earth system is an important result of which of the following processes?

A: Plants and animals exchanging gases with the atmosphere

B: Condensation of water vapor leading to cloud formation

C: Herbivores digesting plant materials to get nutrients

D: Methane entering the atmosphere from volcanic activity

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

Use the distance formula to determine weather each pair of segments have the same length

Which describes the habitat of a frog?