1) which type of power uses underwater turbines to generate electricity?  a) wind power b) nuclear power c) tidal power 2) how many days it take earth to complete one revolution around the sun? a) 24 days b) 365.25 days c) 31 days 3) last moon? a) b) c) 4) which type of galaxy is shaped like an american football a) elliptical galaxy b) spiral galaxy c) star 5) the hardest type of coal is a) peat b) fossil fuel c) anthracite 6) what type of energy is stored in fossil fuel a) chemical energy b) solar energy c) kinetic energy 7) what is nuclear energy from nuclear power plant used to produce a) wind energy b) sound energy c) electricity 8) which statement describes desertification a) the high rate of soil erosion b) the low rate of soil  erosion c) the compaction of soil 9) how can forest land managed a) reforestation b) desertification c) destruction 10) which of the following is a renewable energy resources a) wind energy b) oil c) wind farm

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