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

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

The krebs cycle is also known as the calvin cycle pyruvic acid cycle carbon - oxygen cycle citric acid cycle