Human Impact 1

Gases in the atmosphere that trap heat; carbon dioxide (CO₂) is a major one:

• Greenhouse Gas

• Global Warming

• Sunspot

• CFCs

1.What does the picture represent?

• Lines of latitude

• Greenhouse effect

• Climatic zones

• Weather patterns

How is the rise in global temperature affecting coral reefs?

• Increase in coral reefs

• Leads to the death of coral reefs

• Greater variety of coral reefs

• Improvement in breeding grounds for fish

Which two are likely to result from global warming?

• increase in surface temperatures

• reduction in greenhouse gases

• rise in ocean levels

• decrease in air pollution

Which best explains how livestock farming contributes to global warming ? Animals __________

• waste pollutes the soil

• are consuming too much grass

• decayed matter emits too much carbon dioxide

• produce methane when they are digesting food

What is climate?

• The daily weather changes of an area.

• The average weather of a specific area.

What is the main gas responsible for causing global warming?

• Oxygen

• Carbon Dioxide

• Hydrogen

• Helium

Which of the following have been changed or altered due to climate change ?

• droughts

• flooding

• melting of polar ice caps

• all of the above

T/F: Water vapor is a greenhouse gas

• True
• False

Which is a natural source of greenhouse gases?

• aerosols
• deforestation
• volcanic eruptions
• burning fossil fuels