Please please answer this I'll give you brainliest and you get 25 points I'm desperate mountain climbers who climb the earth's tallest mountains stage their climbs. they stay at high altitude camps for a period of time before finishing their climbs. what might they hope to accomplish doing this?

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

In which process is oxygen absorbed by an organism asap apex

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above