[PLEASE ADD AN EXPLANAITON] How did the Gulf of Mexico's dead zone form?

All the fish and invertebrate species migrated elsewhere.

Hurricanes destroyed the coastline.

An oil spill killed all the species there.

Fertilizer runoff from farming caused populations of algae to grow exponentially.

Which of the following are evidenced-based behavioral interventions for decreasing behavior? fct differential reinforcement pvt time delay a and b

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

Several billion years ago which gas was the least prevailant in the atmosphere