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alternative energys and fuels
1: where can you find biomass
from living materials
from dead materials
2: which is the disadvantage of hydrogen
there are a few places where it is good
it doesn't exist on earth
3: where is one of the many wind farms located
your house
crystarrig
4: which of the two answers says the advantage of water energy
the water can be used for irrigation purposes
dams are extremely expensive to build
5: where can you find biodiesel
it's typically made by chemically reacting liquids
it can be found in the ground