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28 Terms
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petroleum/crude oil
oil that comes right from the ground; a black, gooey liquid consisting of many different combustible hydrocarbons
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rich in Saudia Arabia, Venezuela, and Canada & good technology
petroleum/crude oil
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natural gas
mainly made of methane and carbon dioxide
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rich in Russia and Iran & transported in pipelines
natural gas
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made after propane and butane gases are liquified & is the cleanest fossil fuel from low emissions
natural gas
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coal
originated from peat found in places with poor drainage and made of decomposed organic material.
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strip mining and mountaintop is used for extraction-→boiled to make steam
coal
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rich in the US and RUSSIA and gives high amount of energy
coal
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lowest to highest moisture amount
anthracite, bituminous, lignite, peat
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lowest to highest heat content
peat, lignite, bituminous, anthracite
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wood and charcoal
used in many developing countries
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low impact on enviro
low accident risks because of precautions
big supply of uranium
nuclear advantages
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low energy yeild
large-scale accidents if any take place
expensive
nuclear disadvantages
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biomass
uses sun’s energy directly for heating for cooking and found in wood, seaweed, charcoal, crop residue
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makes biodiesel and ethanol, biofuels are made from corn
biomass
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mountaintop mining
can cause flooding and climate change
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increase in nonrenewable reserves due to
new deposits, removal technology, deeper resources more profitable due to price inc.
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for ores,
the more impact, the higher the ore grade
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biodiesel…
is better for the enviro than ethanol and made of vegetable oil and has higher energy production than ethanol
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today’s top 3 resources are
coal, oil, natural gas(increased since fracking)
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EROERI
inputs/outputs and best if over 3
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70’s-2000’s
CAFE standards-→ limit gallons for cars, Reagan and Ford lowered standards, Obama admin passed new legislation
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secondary sources
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primary sources
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pv cells
best used for batteries but lose that energy over time and less reliable due to sunlight dependance.
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hydroelectric
no pollutants emitted in production, China uses much of this, used for irrigation, but can change temperature and flow
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geothermal
mainly around ring of fire, heats greenhouses and buildings, economically viable, can cause earthquakes
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hydrogen fuel cells
most abundant element en el mundo, China and EU use a lot, energy carrier, nonpolluting, hard to store well and needs time to separate from other elements