The angle between incident ray and plane mirror is 40 degrees. what is the total angle through which ray of light turns.

In a system, when potential energy decreases, then entropy also decreases. true false

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

The mini-refrigerator fire was most likely caused by what type of wiring?