Human Impact on the Environment Review Questions

Front

How can urbanization affect a local area?

Back

It can increase the risk of flooding in an area.

Front

Which is a farming technique that could improve the soil and the environment?

Back

creating undisturbed layers of mulch in the soil

Front

What is the most common contamination source for freshwater resources?

Back

runoff

Front

What lasting impact could upgrading water purification and management systems have on available freshwater?

Back

It could cause an increase in the freshwater supply.

Front

Which is associated with an increase of chlorofluorocarbons in the environment?

Back

an increase in health risks associated with UV radiation

Front

What long-term impact could the destruction of large areas of forests have on Earth?

Back

increased atmospheric carbon dioxide levels

Front

Why is it important to conserve the biodiversity of Earth?

Back

To increase the stability of ecosystems during environmental changes.

Front

How could the introduction of a nonnative species of plant affect an ecosystem in North Carolina?

Back

It could take over the habitats of the native plant species.

Front

Which change would best aid a farmer in making the transition from conventional farming techniques to more sustainable farming techniques? Options: reduce the ratio of essential elements in the fertilizer, irrigate crops using well water, rotate the types of crops grown, plant only genetically modified crops

Back

rotate the types of crops grown

Front

What would most likely cause a reduction in the amount of coal and natural gas on Earth?

Back

A continual increase in the number of people on Earth.