9. Is used for cutting wood, trees, and grasses.
A. Bolo
B. crowbar
C. hand fork

I believe it is choice A. Bolo

Explanation:

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:

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?