Acid rain
is rain with a pH higher than 9.5
falls only in the midwestern U.S.
is caused in large degree by the use of fossil fuels.
comes only from human sources.
has been eliminated by the use of scrubber technologies.

Recycling aluminum requires ___ as much energy as producing aluminum from aluminum ore.
5%
16%
28%
41%
59%

Ozone
is always detrimental to health wherever it is found.
can be seen in the skies over many heavily industrialized cities.
is beneficial in the upper atmosphere but dangerous to health in the lower atmosphere.
is beneficial in the lower atmosphere but dangerous to health in the upper atmosphere.
is a compound of oxygen and nitrogen.

According to the short documentary, The Story of Stuff, released in 2007, for every can of waste that is put out on the curb, the equivalent of how many cans of waste are created before the materials are purchased?
1/2 can
2 1/2 cans
5 cans
16 cans
70 cans

According to the documentary, The Story of Stuff, what percentage of materials that go throught the production process are still in use after 6 months?
1%
6%
29%
41%
58%

The difference between reusing and recycling is that
you reuse objects and recycle materials.
you reuse materials and recycle objects.
recycling can only be done in highly industrialized countries.
reusing requires higher energy and puts the recycling.
there is none – they are two words for the same thing.

Silent Spring was
the first spring in which no passenger pigeons appeared along the east coast.
another name for nitrous oxide.
the title of a book published in the 1960s that fueled the environmental movement.
a concept of environmental remediation proposed by Congress in 1977.
another name for the Manhattan project.

Which species is not yet extinct?
Passenger Pigeon
Tasmanian Wolf
Dodo Bird
California Condor
Stellar's Sea Cow

The "ozone hole" refers to
an area of the ocean with unusually high concentrations of ozone.
a reduction in stratospheric ozone over the Antarctic.
a reduction in tropospheric ozone over the Arctic
an increase in ozone in some equatorial regions.
a terestrial sink that absorbs excess ozone.

The Kyoto Protocol was an attempt to
stop the destruction of the ozone layer.
reduce acid rain.
reduce greenhouse gases and slow climate change.
increase recyling in industrialized nations by 50% in 10 years.
increase the speed of Superfund cleanups.