Has the highest EROI.
What is hydropower?
This energy source relies on the process of nuclear fission in uranium atoms.
What is nuclear energy?
This surface-mining method removes the top of a mountain to expose coal seams underneath.
What is mountain top mining?
The least expensive conventional energy source
What is hydropower?
The amount of watts per kw
What is 1,000?
The name of the type/source of energy that arises from the Earth's surface in the form of magma
What is geothermal?
This fossil fuel is formed from ancient plant matter and is the most carbon-intensive fuel source.
What is coal?
This type of mining involves digging tunnels deep underground to reach ore deposits.
What is subsurface mining?
This type of power plant burns natural gas to heat water and spin a turbine.
What is a thermal power plant?
Net energy formula
What is energy returned - energy invested?
3 energy sources that turns turbine blades directly
What is wind, hydropower, and geothermal?
The nonrenewable energy source with the LEAST amount of land consumption
What is nuclear?
The attempt to restore a site to its original condition prior to mining
What is reclamation?
The three conventional sources of energy
What is biomass, hydropower, and nuclear power?
This country has the highest amount of oil reserves
What is Venezuela?
The direction solar panels face from the Southern Hemisphere
What is north/towards the equator?
This nonrenewable fuel is created from compressed organic matter found deep underground and is primarily composed of methane.
What is natural gas?
Digging a large hole in the ground to remove the desired ore, along with the rock near the ore
What is open pit mining?
The anaerobic bacterial breakdown of waste from landfills that produces methane and can be captured and sold as fuel
What is biogas?
How many types/ways are there for hydroelectric power
This energy source is mined for use in nuclear fission and is one of the most energy-dense materials on Earth.
What is uranium?
The process of heating an ore beyond its melting point and combining it with other chemicals to extract a metal.
What is smelting?
This process increases the pressure in an oil reservoir to force out additional oil, often using water or CO₂ injection.
What is secondary recovery?
Percentage of bitumen in oil sands
What is roughly 1 - 20%