你可能感兴趣的试题
stored up by the plants absorbed by the earth’ s atmosphere stored up by the animals in the form of body fat used for electric power
fuels waterpower light both A and B
stored by plants turned into fuel absorbed by the earth' s atmosphere used for electric power
plants rain coal, oil, and natural gas inflammable substances
plants rain coal, oil, and natural gas inflammable substances
plants water rock creatures
one tenth one millionth all that comes from the surface of the sun a very small portion
fuels waterpower light both A and B
gasoline natural gas atomic power animal fat
is easy to store poses similar problems to the other newer energy sources poses very few problems poses different problems from the other newer energy sources
plants water rock creatures
directly from the sun from the sun' s activity from energy stored by the sun from radiation of the sun
one tenth one millionth all that comes from the surface of the sun a very small portion
stored up by the plants absorbed by the earth’ s atmosphere stored up by the animals in the form of body fat used for electric power
directly from the sun from the sun' s activity from energy stored by the sun from radiation of the sun
plants water rock creatures
湘公网安备 43130202000226号