mixed
mixed
100

resources that are replaced through natural processes at a similar rate 

renewable resources 

100

coil, coal, natural gas, and other fuels that are the pressurized remains of plants and animals

fossil fuels

200

energy created by trapping the heat from inside earth

geothermal energy

200

preventing the loss of a resources by thoroughly using it

conservation

300

energy made from burning or using material made from once living things

biomass energy

300

cells on solar panels that capture sunlight and converted to electricity 

photovoltaic cells 
400

energy harnessed from wind through windmills and wind turbines

wind energy

400

resources that cannot be replaced or are used at a faster rate than they are formed

nonrewable resources

500

energy that use photovoltaic cells to capture sunlight to generate electricity

solare energy

500

energy or electricity generated from flowing water 

hydroelectric energy