Scientists want to examine the effects of a coal-burning power plant on the pH of a lake that is downwind of the power plant. Th
ey take samples from a lake that is not downwind of the power plant to serve as a control. However, they did not realize that the lake they chose as a control group was a geothermal hot spring with acidic water.
Answer:The coal-burning power plant would affect both lakes because the Coriolis effect and weather patterns would circulate pollutants in the atmosphere.