Which of the following is a sustainable method of human societal development?
O A. Limiting unnecessary resource use
O B. Encouraging a throwaway culture
O C. Using only nonrenewable resources
O D. Degrading resources with pollution

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

What did hunter gathers do to alter the environment?

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.