Atree on a hillside casts a shadow 215 ft down the hill. if the angle of inclination of the hillside is to the horizontal and the angle of elevation of the sun is find the height of the tree.

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

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.