How does the nervous system influence the respiratory system? (1 point) O regulates heart rate
O stimulates pathogen response
O controls muscle contraction
o regulates breathing rate

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

What is the statement plant growth is affected by the color light

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures