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when you have a question done just send it on here not as an attachment pleaseQuestion 1 (5 points) Which statement is false as regards hydroelectric power? Question 1 options:a) Hydroelectric power reduces overall greenhouse emissions.b) Initial costs of construction are high, but operating costs are low.c) Hydroelectric plants may obstruct fish and wildlife migration.d) Mechanical energy is the main product of hydroelectric plants.SaveQuestion 2 (5 points) In which part of the United States are geothermal power plants found?Question 2 options:a) Southwestb) Northeastc) Upper Midwestd) East CoastSaveQuestion 3 (5 points) According to the third law of thermodynamics, energy ceases to exist at a temperature called absolute zero. This is considered a(n) _______ limit.Question 3 options:a) provisionalb) experimentalc) theoreticald) estimatedSaveQuestion 4 (5 points) _______ energy is a fundamental need for life on Earth.Question 4 options:a) Electricalb) Solarc) Chemicald) PotentialSaveQuestion 5 (5 points) The amount of energy required to raise one pound of water by 1 degree Fahrenheit equals oneQuestion 5 options:a) BTU.b) therm.c) quad.d) joule.SaveQuestion 6 (5 points) _______ is a “rare earth” mineral crucial to the construction of solar panels.Question 6 options:a) Platinumb) Telluriumc) Coltand) LithiumSaveQuestion 7 (5 points) Globally, more than half of consumed energy is in the _______ sector.Question 7 options:a) transportationb) industrialc) commerciald) residentialSaveQuestion 8 (5 points) _______ is a byproduct of coal and vital to steel production.Question 8 options:a) Nitric acidb) Activated charcoalc) Coked) Carbon fiberSaveQuestion 9 (5 points) Which sector has consistently used the greatest percentage of energy in the United States?Question 9 options:a) Industrialb) Commercialc) Residentiald) TransportationSaveQuestion 10 (5 points) A watt is the equivalent of one _______ per second.Question 10 options:a) unit of workb) unit of energyc) jouled) kilocalorieSaveQuestion 11 (5 points) The United States produced 16 quadrillion BTUs of which type of energy in 2017?Question 11 options:a) Nuclear energyb) Natural gasc) Hydropowerd) CoalSaveQuestion 12 (5 points) Peat is the least carbon-rich substance burned for fuel. The coal with the richest carbon content is _______ coal.Question 12 options:a) ligniteb) sub-bituminousc) bituminousd) anthraciteSaveQuestion 13 (5 points) Chemical energy is stored in the bonds ofQuestion 13 options:a) elements.b) particles.c) molecules.d) compounds.SaveQuestion 14 (5 points) Two students are discussing the disadvantages of biomass. Student 1 claims that when biomass is burned, too many toxins are released, worsening air pollution. Student 2 claims that planting biofuel crops uses too much farmland that could be used for food. According to this course, who is correct?Question 14 options:a) Both Students 1 and 2 are correct.b) Both Student 1 and 2 are incorrect.c) Only Student 2 is correct.d) Only Student 1 is correct.SaveQuestion 15 (5 points) Which carbon-rich compound is found in the Earth in liquid form?Question 15 options:a) Propaneb) Crude oilc) Butaned) EthaneSaveQuestion 16 (5 points) Which statement regarding nuclear fission is true?Question 16 options:a) The cost of building a nuclear power plant is high.b) Core meltdowns generally don’t impact the surrounding population.c) Nuclear power plants release as much pollution as coal and oil during normal operation.d) Nuclear plants produce less than one ton of toxic nuclear waste annually, on average.SaveQuestion 17 (5 points) The three stages in the combustion of gas in an internal combustion engine are combustion, thermal energy, and _______ energy.Question 17 options:a) kineticb) potentialc) provisionald) mechanicalSaveQuestion 18 (5 points) Which statement best describes the major disadvantage of geothermal energy? Question 18 options:a) The heat in Earth’s mantle is neither consistent nor reliable.b) This type of energy can only be harnessed in specific locations.c) Earthquakes occur wherever geothermal energy is mined.d) Energy outputs from this type of plant are hard to predict.SaveQuestion 19 (5 points) Energy efficiency is reduced as we _______ the number of steps needed to get energy from its source to useful work.Question 19 options:a) reduceb) equalizec) increased) decreaseSaveQuestion 20 (5 points) Wind power capacity in the United States has increased annually by _______ percent.Question 20 options:a) 15b) 30c) 45d) 50
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