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what does the crust contain?
metals, building stone, mineral and sources of energy
what are geologic resources?
non living materials mined to maintain our industry and quality of life
most of our energy comes from __________
non renewable resources
oil, coal, natural gas and uranium are ___% of energy consumption and ___% of commercial energy consumption
what are two types of energy?
electromagnetic radiation that originates with nuclear fusion within suns core
heat given off during movement and crystalization of magma within earth interior
what are fossil fuels?
provide energy that power society
coal, oil and natural gas
_______ is composed of carbon that is derived from buried plankton
what is coal?
fossil fuel found in stratified sedimentary deposits
what are 4 types of coal?
peat-warm humid vegetation produced by microorganisma
lignite( brown coal)-plant remain visible
bituminous( soft coal)biogenic sedimentry rock
anthracite (hard coal)-non crystalline metamorphic rock
nuclear plants provide about ___% of the worlds electricity
what are some types of renewable energy?