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
A: transformed, constant
B: constant, transformed
举一反三
- The energy is transferred from one region to another by three modes of heat transfer：（），（），and radiation .
- The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.
- 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
- Of the sun’ s total output of radiant energy, the earth receives （） A: one tenth B: one millionth C: all that comes from the surface of the sun D: a very small portion
- It can be inferred from the passage that chimpanzees are characterized by A: brains that use less overall body energy than the percentage humans use B: the posession of less total body weight than the average human weight C: a total resting energy equal to that of human resting energy D: a diet completely devoid of rich foods preferred by more developed species E: a higher ratio of brain weight to body weight