Which statement is a hypothesis that would best address the question "Are deer eating the young hemlocks and preventing
them from growing?

1. Deer will eat young hemlocks, but not old hemlocks.

2. Deer are eating young hemlocks.

3. If deer are eating young hemlocks, then keeping deer
away from the young trees will allow the trees to
grow

4. If the hemlocks are tasty to the deer, the deer will eat
them.

If deer are eating young hemlocks, then keeping deer

away from the young trees will allow the trees to

grow

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: