Describe the activity that most alters each of the following nutrient cycles.
Carbon, Nitrogen, Water, and Phosphorous

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

Speed is the ratio of the distance of an object moves to

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart