How is o2 cycle in Shenandoah national park? Hows is Carbon cycled in your Shenandoah national park?
Hows is Nitrogen cycled in your Shenandoah national park?
Hows is Phosphate cycled in your Shenandoah national park?

a time line cause it goes from 685 to 978

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

trachea, alveoli, lung capillaries, arteries