Please help !
Describe the operation of alternative fuel such as;
wind
tidal
solar
geothermal
hydroelectric

Must be able to describe the function and energy changes that take place.

HELP PLEASE
must be real dont need all of them but some or all if you can :) lol !! THANK YOU SO MUCH !! x
WOOPS ! ebergy sources not fuels :)

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Filed under: Alternative Energy