Human Impact on Natural Resources

In a town, they increase the amount of timber they use to heat their homes by 25% in a year. What impact will result from increasing the amount of wood burned in an environment?

• There will be less soil erosion.

• There will be more carbon dioxide in the atmosphere.

• Forests will grow more quickly.

• Water sources in the area will become less polluted.

Tags

7-ESS3-4

The graph shows how much coal is being used between 1990 and 2004. What is most likely to happen in the environment based on the data from the graph?

• increase in greenhouse gases in the atmosphere

• decrease in temperature of the atmosphere

• increase in the amount of ice in Antarctica

• decrease soil erosion

Tags

7-ESS3-4

Water is both a renewable, but limited resource. Which statement best explains how water is a limited resource?

• A city has developed a water treatment plant that cleans sewage water and creates fresh drinking water.

• Desalination removes salt from salt water, making it a usable resource.

• The water cycle uses all of Earth's bodies of water to circulate water.

• Many parts of the world have water scarcity due to increasing demands for water resources.

Tags

7-ESS3-4

The Biotowieza Forest is the largest forest in Europe. The trees from this forest are used to make paper products and are traded all over the world. What is a possible negative effect of increasing the trading of paper products?

• acidification of water in nearby lakes

• increase in the amount of oxygen in the air

• decrease in greenhouse gases

• loss of some plant and animal species

Tags

7-ESS3-4

How can using too many insecticides on crops affect the environment?

• increase greenhouse gases

• cause mass movement of insects from farms to cities

• contaminate water sources close by

• decrease the amount of crops that are harvested every year

Tags

7-ESS3-4

Which factor would cause a population to become smaller?

• migration into the area

• decrease in births

• decrease in deaths

• increase in births

Tags

7-ESS3-4

How does decreasing population size affect natural resources?

• The need for water will decrease.

• The amount of greenhouse gases will increase.

• The need for biomass resources will increase.

• Conservation of resources will not be affected.

Tags

7-ESS3-4

Which of the following consequences are NOT directly linked to burning fossil fuels?

• 1 only

• 1 and 2

• 1, 2, and 3

• 3 and 4

Tags

7-ESS3-4

Which of the following human activities can cause the others listed?

• increasing air pollution

• increasing deforestation

• increasing demand for water

• increasing human population

Tags

7-ESS3-4

Crops are a renewable form of energy. If an area went through a crop shortage causing a decrease in their use as an energy resource, what could be a possible reason?

• More trees were planted leading to a decrease in soil erosion.

• There was an increase in rainfall in the area.

• More crops were removed than planted.

• There was a decrease in the amount of available coal.

Tags

7-ESS3-4