What do enzyme act on? what is enzyme action called?

mame 2 factors that effect enzyme?

1) An enzyme is a substance that acts as a catalyst in living organisms.

2) substrate complex ( i think im not sure )

3) temperature, pH, enzyme concentration and many more.

answer; i believe the correct answer to the above question is ( friction)

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: