The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.
举一反三
- The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.( ) A: water flow B: fall C: water speed D: elevation
- The cooling water jacket is common to all the cylinders but there are often （） to ensure that each cylinder receives the right amount and flow of water.
- The total energy is neither increased nor decreased in any process. Energy can be ( ) from one to another, and transferred from one body to another, but the total amount remains ( ). A: transformed, constant B: constant, transformed
- The amount of _____ that drains into rivers and streams in a geographic area determines the amount of water available for producing hydropower.
- Most bottled water is the same as tap water. Both tap and bottled water come from rivers and _______ .