Atide is

a. a change in the height of waves.

b. the periodic rise and fall of any body of water

c. the periodic rise and fall of the ocean surface

d. a measurement of the strength of gravity

Two critical interventions to turn around the opioid crises are:

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

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