a) Related to Oxygen
b) A pollutant
c) An important part of atmosphere
d) All of the above
The correct answer is d)
Atmospheric ozone blocks ultraviolet rays; ground-level
2. What does not contribute to the greenhouse effect?
a) Methane from livestock
b) The hole in the ozone layer
c) Industrial pollutants
d) Auto Emissions
The correct answer is b)
The atmosphere traps heat from the sun, much like a greenhouse.
3. Which activity does not reduce global warming?
a) Using a dishwasher
b) Using a power strip for electronics
c) Driving an electric car
d) Leaving a computer on
The correct answer is d)
Leaving a computer on
Save money and reduce emissions by turning
electronics off when not in use.
4. Does global warming mean that every place on Earth is getting warmer?
a) No, just summers are warmer
b) No, but world average is rising
c) Yes, every spot on Earth is hotter
d) No, only certain spots
The correct answer is b)
Expert estimate that the average temperature will
rise 2.5 to 10.4 degrees Fahrenheit by 2100.