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.

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.