Study Guide , apes

What is a subsistence fuel

• wood + charcoal

• easy to get

Whats is Peat

• decomposed organic matter

• plants found in wet acidic ecosystems

• dried used as fuels

Coal levels

Anthracite, Bituminious, Lignate

air pollutants emmited when making coal

Sulfer Dioxide, Nitrogen Oxide, PM(soot + ash)

environmental consequences of coal

• acid rain

• habitat removal

natural gas formed

• decaying remains of plants and anumals burned in earth

• release methane used for heating + electricity

How is petroleum formed

• decaying organic matter (marine plants + animals)

• trapped in rock layers

How is crude oil extracted

• drilling a well underground then pumping out liquid oil.

what are tar sounds

• combination of clay, sand and water

• (semi-solid petroleum)

largest producers of coal

• us

• russia

• china

• Australia

largest producer of Natural gas

• Us

• russia

• iran

• Qatar

• saudi arabia

largest producers of oil

• canada

• iran

• venezuela

• saudi arabia

coegneration

• one source for heat and electricity

explain combustion

• when heatin gthe hydrocarbons are burned → the carbon reacts with oxygen in air to make CO2

fracking is short for…

hydraulic fracturing

how is fracking done

• pumping down a mixture of salt, water, and chemicals horizontally to break rocks and let natural gas out

chernobyle

• ukrain

• reactor core ran into error

• explosion

three mile island

• us penn.

• partial meltdown during testing but no radiation release

fukushima

• japan

• earthquake + Tsunami lead to cooling pump failure

• explosion = radiation

nuclear fission

neutrons fired into nuclues of radioactive element

what is biomass

• easily accessible sources like wood

• renewable

• burned directly to convert

• : Wood, agricultural residues, food waste, algae, and manure.

biofuel

• a fuel made for biomass used for transportation

• like ethanol, biodiseasieal or biogas

• used for powering vehicals, heating and electricity