Question 113 out of 3 points fish ladders are

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Question 113 out of 3 pointsFish ladders are ___________________.
Question 123 out of 3 pointsWhich of the following is a disadvantageof ethanol (a biofuel) for fuel?
Question 130 out of 3 pointsSolar power accounts for a larger share of electricity (and overall energy) production in the U.S. than hydropower.
Question 143 out of 3 pointsSolar water heaters work by circulating water through tubes in a black material that absorbs heat from solar radiation.
Question 153 out of 3 pointsFirewood is still a primary source for heat and cooking for many people across the world.
Question 163 out of 3 pointsWhich of the following is NOT a form of renewable energy?
Question 170 out of 3 pointsHow has the use of wind power changed (or not) in recent years within the U.S.?
Question 183 out of 3 pointsWhat are the 2 main ways that we use geothermal energy?

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