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By 2018, how much of the GLOBAL electricity supply was coming from renewable energy sources? a. 26% b. 90% c. 60% d. 50%

a. 26%

Which of the following countries has the biggest onshore wind farm? a. China b. Germany c. India d. U.S.

a. China

What is controversial about biomass energy (select all that apply, there are one to four possible correct answers)? a. Land that could be used for food production might be used to make biofuels b. Burning biomass releases carbon dioxide c. Biomass consists of organic matter that can be converted into fuel d. Transporting biofuels can contribute to greenhouse gas emissions e. Forests might be cut down to make biofuels

a. Land that could be used for food production might be used to make biofuels b. Burning biomass releases carbon dioxide d. Transporting biofuels can contribute to greenhouse gas emissions. e. Forests might be cut down to make biofuels

Which of the following can be social and environmental problems associated with the building of big dam projects generating hydropower (select all that apply, there are one to four possible correct answers)? a. Loss of access to water for downstream communities b. Displacement of populations c. Destruction of archaeological sites d. Equitable access to resources

a. Loss of access to water for downstream communities b. Displacement of populations c. Destruction of archaeological sites d. Causing environmental damage such as landslides e. Flooding cities

Which of the following are examples of regenerative agricultural practices (select all that apply, there are one to four possible correct answers)? a. Use of methods to encourage the soil to store carbon in the ground b. Continuous grazing c. Rotational grazing d. Use of cover crops

a. Use of methods to encourage the soil to store carbon in the ground c. Rotational grazing d. Use of cover crops

Which of the following are alternative energy sources (select all that apply, there are one to four possible correct answers)? a. Wind power b. Coal c. Ocean or tidal power d. Hydroelectricity e. Biomass f. Solar g. Geothermal

a. Wind power c. Ocean or tidal power d. Hydroelectricity e. Biomass f. Solar g. Geothermal

What do we call the process when governments tax carbon dioxide to reduce fossil fuel energy consumption? a. Heavy hand of government b. Carbon pricing c. No-coal tax d. Laisser-faire capitalism

b. Carbon pricing

Which of the following is the largest source of renewable energy? a. Wind power b. Hydroelectricity c. Solar d. Geothermal

b. Hydroelectricity

Which renewable energy source has the potential to generate more than eighteen times the global electricity demand? a. Solar b. Biomass c. Wind d. Geothermal

c. Wind

What makes tidal energy projects so attractive to the renewable energy sector? a. Even though the power of tides can only be harnessed during a full moon, it is nonetheless an important alternative energy source b. Large waves produce wind speeds of up to 50 miles an hour and this can be harnessed to power water-based windmills c. The ebbing and flowing of tides makes for useful, though irregular, power generation, especially because more power is harnessed when the tides come in than when they go out d. The predictability of tidal waves allow for precise understanding of how much energy can be generated at any time

d. The predictability of tidal waves allow for precise understanding of how much energy can be generated at any time

Which of the following countries has six of the ten biggest wind farms in the world? a. Venezuela b. Germany c. China d. U.S.

d. U.S.