Which of the following would be an example of an uncontrolled experiment?A. The effect of water on different metals in a lab. B.The effect of the jet streams on weather conditions. C.The effect of salt and water being mixed at different temperatures. D. The effect of heat on a plants growth.

Respuesta :

Answer:

all of them can be uncontrolled but the one who is not controlled would be the effect of heat on a plant growth

Explanation: