Which of the following science related statements are observations rather than opinions? select all that apply.
whaling should be banned.
cancer is the worst of all diseases.
ocean acidity was greater in 2010 than in 2000.
heart disease is the major cause of death in the united states.
fewer bees have been in my garden recently, so bee populations must be decreasing.

C and D

Ocean acidity was greater in 2010 than in 2000.

Heart disease is the major cause of death in the United States.

Explanation:

just took the question and those are the only two that are correct.

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: