Which phrase describes convection?

a transfer of heat between two objects that are touching

b transfer of heat by the actual movement of warmed matter

c the process in which energy is released by molecules breaking apart

d the process in which energy is emitted by one object, transmitted through space, and absorbed by another

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:

digestion

it excretes wastes

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.