Aplane is headed in direction 58 with an airspeed of 150 mph. the course is 72 with a ground speed of 130 mph. find the speed of the wind. 39 mph 117 mph 278 mph

Phase changes are chemical changes. true or false

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

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.