Which experiment would most likely contain experimental bias?

Choices see photo…

A. A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.

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:

explanation:

okay now i don't know this but for the pints nothing else to say bye