Quiz on Earth's Atmosphere

What is the primary component of Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon

What percentage of the atmosphere is oxygen?

• 78%

• 21%

• 1%

• 0.04%

What gas has increased in the atmosphere due to human activities?

• Oxygen

• Methane (CH₄)

• Argon

• Helium

What effect does the incomplete combustion of hydrogen fuels have?

• Causes acid rain

• Produces poisonous gases

• Leads to global dimming

• Increases oxygen levels

What is the effect of nitrogen dioxide in the atmosphere?

• Causes global warming

• Combines with water vapor to cause acid rain

• Increases oxygen levels

• Produces methane

What is the atmosphere's thickness compared to if the Earth was the size of an apple?

• As thick as the apple's core

• As thick as the apple's skin

• As thick as the apple's seeds

• As thick as the apple's flesh

What is the greenhouse effect?

• A process that cools the Earth's surface

• A natural process that warms the Earth's surface

• A method to reduce carbon emissions

• A technique for conserving water

Which gases are considered greenhouse gases?

• Oxygen and nitrogen

• Carbon dioxide, methane, and water vapour

• Helium and neon

• Argon and krypton

What are some effects of global warming?

• Decrease in sea levels

• More frequent and severe storms

• Increase in polar ice caps

• Reduction in droughts

Which activity helps reduce CH₄ levels?

• Eating more plant-based foods

• Using more coal

• Increasing meat consumption

• Decreasing recycling efforts