Human Impact on the Environment

1-Which describes a step people can take to help minimize the effects of using land for

agriculture?

• use more land for farms

• increase the number of different pesticides used

• remove crops quickly to increase erosion of soil

• plant crops that attract many different kinds of insects

2-Which is NOT a negative consequence of clearing land during deforestation?

• increase in the number of endangered species

• increase in the amount of photosynthesis

• increase in the amount of carbon dioxide in the atmosphere

• increase in the chance of flooding in an area.

3-Which describes an effect of recycling?

• Recycling increases land usage.

• Recycling decreases land usage.

• Recycling increases pollution.

• Recycling stops land from being used.

4-Urbanization is caused by an increase in population. Which describes an effect of

urbanization on land?

• More land will be available for farming.

• More land will be used to build houses.

• More land will be used to grow trees.

• More land will be available for animal habitat.

5-Which BEST describes something you could do to reduce water pollution when disposing

of household chemicals?

• make sure they don't enter storm drains

• make sure they get into landfills

• make sure to put them out with other trash

• make sure to pour them down the sink

6-Which is NOT a positive impact on Earth's water?

• fixing a dripping faucet

• disposing of chemicals properly

• increasing fertilizer runoff

• increasing recycling

7-Which correctly describes something that can have both a positive and negative impact on

the environment?

• building a dam

• picking up litter

• decreasing the use of chemical fertilizers

• using less water at home

8-Which of the following causes air pollution?

• volcanic eruptions

• burning of fossil fuels

• forest fires

• all of the above

9-Which describes a way that people can minimize their impact on air pollution?

• decrease burning of oil and coal

• invent ways to remove particulate matter from the air

• decrease the size of the ozone layer

• invent ways to treat asthma

10-Which is NOT a result of acid precipitation?

• It can harm fish and other organisms.

• It can pollute soil killing trees and other plants.

• It can increase the chance of asthma attacks.

• It can damage buildings and statues made of some types of rocks.