minerals and other nutrients in the environment are recycled by
What are biogeochemical cycles
a device used to remove polluting gases and particles from industrial exhaust
What is a scrubber
alcohol derived from corn, grains, or agricultural waste and used as a fuel
What is ethanol
portion of a water reclamation system actively circulates air throughout the water to encourage the growth of beneficial microorganisms
What is aeration basin
nonliving factors in the univers are called
What are abiotic factors
the best-known type of acidic precipitation
What is acid rain
process in which a mixture containing water, chemicals, and particles like sand or gravel is injected into the bedrock to crack fuel-containing strata
What is hydraulic fracturing
the most widely used form of renewable energy
What is hydroelectric power
people who believe humans are merely passing through the Earth and have no claim to anything are
What are preservationists
substance used to correct overly acidic soil and to restore acidic streams and lakes
What is agricultural lime
to determine if pathogens are present in water, scientist measure the amount of what bacteria
What is coliform bacteria
one major drawback that wind power and solar power have in common
What is being nonrenewable
pollutants that enter the water from one specific place and are easy to monitor and rectify
What are point-source pollutants
a situation in which cool air at the surface becomes overlaid by warmer air
What is temperature inversion
formed by burning wood in a low-oxygen environment
What is wood gas
energy obtained from plant and animal products
What is biomass energy
the idea that nature is god
What is pantheism
resources that regenerate relatively quickly
What are renewable resources
limit the amount of waste produced
What is recycling
seeking to maintain lifestyle while preserving resources for the future generations
What is sustainable development