Renewable Resources Answers
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Mohammed listed the steps that occur when a solar cell generates electricity.1: Solar energy is absorbed by the cell.2: Free electrons move to the front of the cell.3: Electrons begin to move.4: Electrons flow as electricity.Which best explains how to correct Mohammed’s error?
A
Switch steps 2 and 3.B
Switch steps 3 and 4.C
Move step 1 to appear after step 4.D
Move step 4 to appear after step 1.2
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Which would most likely have a direct effect on using wave power to generate electricity?
A
rainB
cloudsC
windD
sunlight3
Which shows the correct order of steps when using wind to generate electricity?
A
wind turbine blades turn generator → generator changes kinetic energy to electricity → kinetic energy from wind turns blades on wind turbineB
kinetic energy from wind turns blades on wind turbine → wind turbine blades turn generator → generator changes kinetic energy to electricityC
kinetic energy from wind turns blades on wind turbine → generator changes kinetic energy to electricity → wind turbine blades turn generatorD
wind turbine blades turn generator → kinetic energy from wind turns blades on wind turbine → generator changes kinetic energy to electricity4
Cheng made a chart to categorize resources. Which correctly completes the chart?
A
X: Geothermal energyY: NonrenewableB
X: WindY: RenewableC
X: Natural gasY: NonrenewableD
X: Plant fiberY: Renewable5
What is an advantage of making plant-based products, such as cotton, instead of making petroleum-based products, such as plastics?
A
Producing plant-based products requires more energy.B
Factories that make plant-based products generate more waste.C
Plants that are used to make the product can be replaced.D
All plant-based products cost more than petroleum-based products.Did you find these answers helpful?
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