Causes and Effects of Climate Change Quiz | National Geographic

What is the main cause of the greenhouse effect?

• Water vapor

• Carbon dioxide

• Methane

• Nitrous oxide

Which human activity has significantly increased the amount of CO2 in the atmosphere?

• Burning of fossil fuels

• Deforestation

• Industrial waste

• Mining

What are the consequences of melting ice sheets?

• Rising sea levels

• Increased rainfall

• Decreased droughts

• Expanded agricultural areas

How does climate change affect weather patterns?

• More intense storms and floods

• Less snowfall

• Shorter droughts

• Stable weather conditions

What health problems can be caused by exposure to higher levels of smog?

• Asthma

• Diabetes

• Arthritis

• Migraine

What is the primary cause of global warming?

• Increased solar activity

• Volcanic eruptions

• Increased greenhouse gas emissions

• Natural climate variability

What are the effects of deforestation on the environment?

• Increased soil erosion

• Improved air quality

• Increased wildlife population

• Decreased greenhouse gas emissions