Which of these is an effect of air pollution?

• Respiratory problems

• Reduced food sources for humans

• Increased disease for humans

• Decrease in global temperatures

Burning fossil fuels cause ________ which leads to pollution.

• temperature decrease

• headaches

• emissions

• natural pollution

How does air pollution affect people?

• It can cause people to have difficulty breathing.

• It irritates the eyes and throat

• Increase the risk of getting lung cancer

• All of the above

What causes acid rain?

• High concentrations of sulfuric or nitric acid from pollution
• Fertilizer use
• Pesticide use
• CFCs

Which feature of air pollution is shown in this picture?

• sandstorm

• low visibility

• acid rain

• rainstorm

What can deforestation in large forests cause?

• The growth of new forests

• Increased CO2 release to the atmosphere

• New habitats

• More Oxygen

The main human activity that releases greenhouse gases is

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

The gradual increase in the temperature of the atmosphere is known as ________________.

• Greenhouse Effect
• Global Warming
• Carbon Dioxide Gases
• Methane

How can global warming cause sea levels to rise? Choose the best answer.

• by causing it to rain more often
• by melting glaciers and ice caps
• by increasing the number of undersea volcanic eruptions
• by creating bigger and more powerful hurricanes

Which of the following is not a natural cause of water pollution?

• Volcanoes

• Animal waste

• Oil spills

• Silt from storms and floods