Question 37 the burning of fossil fuels has been tied

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Question 37 The burning of fossil fuels has been tied to global warming.
Question 38 Which of the following is NOT an option for reducing the environmental impact of fossil fuels for energy?
Question 39 Petroleum and natural gas formed from the same ancient decaying critters, but natural gas formed lower underground such that it was subjected to higher pressures and temperatures.
Question 40 Most petroleum in the U.S. is used ___________.
Question 41 Solar water heaters work by circulating water through tubes in a black material that absorbs heat from solar radiation.
Question 42
Fish ladders are ___________________.
Question 43 Biodiesel can be made from recycled vegetable oils (like the used stuff in fast food fryers).
Question 44 In the concentrating solar power technologies of the power tower and dish system, fluids are heated to power a turbine that converts that energy into electricity.
Question 45 What is the name of the solar panels that makes it possible to convert solar energy into electricity (without a transfer fluid)?
Question 46 Hydropower supplies approximately what % of the U.S. ELECTRICITY that is from a renewable source ?
(48%) Response Feedback: Hydropower provides 48% of the U.S. electricty that is from a renewable source. Question 47 The source of energy for tidal power is the gravitational pull of the Moon.
Question 48 In solar power technologies, photovoltaic cells heat fluid that powers a turbogenerator for electricity. Response Feedback:
Question 49 Firewood is still a primary source for heat and cooking for many people across the world.
Question 50 What are the 2 main ways that we use geothermal energy?
to heat buildings and water

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