1. Which of the following activities is responsible for the largest percentage of human-made carbon dioxide emissions?
burning fossil fuels
deforestation
ozone depletion
acid deposition
2. The group of air pollutants that tends to cool the atmosphere are known collectively as:
CFC's
Ozone enhancers
atmospheric aerosols.
nitrous oxides
3. Stratospheric ozone:
is a pollutant.
is composed of nitrogen.
has been decreasing for several decades.
is thinning because of sulfur oxide pollution.
4. Chlorofluorocarbons are released into the atmosphere by:
smoke stacks
car exhausts
leaking air conditioners and old refrigerators
pesticides
5. Which of the following effects on organisms is a result of climate warming?
premature birth in mammals
sterility
early migration of aquatic species
increased cancer rates
6. Which of the following is NOT a potential harmful effect on human health resulting from climate change?
malaria
heat stroke and related illnesses
respiratory illnesses
yellow fever
7. What potential health problems may result from the release of synthetic organic compounds into the environment?
cancer
high blood pressure
neurological problems
hormonal problems
8. Escherichia coli:
is a deadly virus found in sewage
is an infectious protozoan
is a good indicator of the amount of sewage present in water.
10. The Intergovernmental Panel on Climate Change (IPCC) projected a global temperature increase by the year 2100 of: 0º to 1.5ºC.
1.8º to 4.0ºC.
4.0º to 10.4ºC.
none, they didn't actually make such a prediction.
11. The international treaty which provides operational rules on reducing greenhouse gas emissions is called
Kyoto Protocol.
Montreal Protocol.
IPCC Protocol
Mount Pinatubo Protocol.