- a substance that has value to humans: resource
- alfred wegner's theory was ...: Continental Drift
- concentric zone model develops ing what??: rings
- fertilizers and pesticides concern which type of pollution?: water
- how do forest affect the atmosphere mostly?: Oxygen cycle
- how is soil waste reduced?: concentrating insted of dispersing
- louis wirth proposed that urban areas are more likely to have what more than rural areas: All of the above...( density, land and heterogenity
- the consumption of resourses is most closely related to: technology
- the sewage that causes water polluiton is a concern in...: Developing countries
- Tsunami's are caused by....: Earthquakes
- what are the 2 leading renewable energy resources?: biomass and hydroelectric
- what did OPEC do because of something about the war in israel?: OPEC refused to sell petroleum to U.S
- what does not hinder the expanded use of coal: Radioactive waste
- what gas is threatening the ozone layer?: CFC
- what is an enviornmental issue that concerns policies in _______...: over harvesting of commercial fishing
- what is an enviornmental problem assoiciated with the sfrican sehel?: desertification
- what is not a source of biomass energy: water
- what is the process of changing low income neighborhoods to middle income: gentrification
- what is the recent glaciation of plasiocien: wisconson
- what kind of reserves does saudia arabia have?: petroleum
- when will solar energy be attractive?: when other energy sources are more expensive
- which country did not participate in the kyoto protocol?: U.S.
- why are people attracted to the suburbs?: private land