Human Impact Review Question Preview (ID: 15149)

Human Impact On The Environment Review Questions For Earth Science Semester 2 Final Exam.[print questions]

The use of chemical fertilizers on farms ________.
a) helps farmers grow more food to feed a larger population.
b) causes water pollution.
c) BOTH helps farmers grow more food AND causes water pollution.
d) NEITHER helps farmers grow more food NOR causes water pollution.

2. When fossil fuels such as gas, oil, and coal are burned, ____ is released into the atmosphere.
a) Carbon dioxide
b) Oxygen
c) Chlorofluorocarbon
d) Sodium chloride

If the ozone layer disappeared, we would be exposed to ______________ from the sun.
a) higher levels of ultraviolet radiation
b) lower levels of ultraviolet radiation
c) the same amount of ultraviolet radiation
d) no ultraviolet radiation

People can help protect the environment by _________.
a) Using public transportation, biking, or walking instead of driving.
b) Throwing more things away in landfills instead of recycling.
c) Building more coal power plants.
d) ALL of these answers.

Recycling can help the environment by reducing the impacts from _____.
a) mining
b) cutting down trees
c) manufacturing
d) ALL of these answers.

Farms cause a lot of water pollution by their use of ________.
a) pesticides and fertilizers
b) seeds
c) oil and coal
d) ALL of these answers

To help reduce water pollution when disposing of household chemicals such as paint and motor oil, you should __________.
a) take them to a hazardous waste drop-off site
b) pour them into the trash
c) pour them into a storm drain
d) pour them on the ground in a far-away place

Which of the following is NOT likely to be a result of global warming?
a) Better farming and living conditions everywhere
b) More hurricanes in some places
c) Rising sea levels flooding coastal areas
d) More droughts in some places

Chlorofluorocarbons harm the ozone layer by _______.
a) creating ozone molecules
b) destroying ozone molecules
c) producing carbon dioxide
d) blocking ultraviolet radiation

Why does the population explosion create a problem in regard to land use?
a) More people will need to use more land and reseources to meet their needs.
b) There will be too many people to physically fit on the continents.
c) As the population shrinks, land and resources will be unused and wasted.
d) With more people on it, the Earth will get too heavy to continue in its orbit around the Sun.

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