Understanding Greenhouse Gases and Climate

Which of the following is a primary greenhouse gas in Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Argon

What is the main impact of greenhouse gases on climate change?

• They cool the Earth's surface

• They trap heat in the atmosphere

• They increase the Earth's albedo

• They reduce sea levels

Which gas is considered the most significant contributor to the greenhouse effect due to human activities?

• Methane

• Nitrous Oxide

• Carbon Dioxide

• Water Vapour

What is a major source of methane emissions?

• Combustion of fossil fuels

• Deforestation

• Livestock digestion

• Industrial waste

How do greenhouse gases affect ecosystems?

• They stabilise ecosystems

• They cause habitat loss and species extinction

• They increase biodiversity

• They have no effect on ecosystems

Which of the following is NOT a greenhouse gas?

• Methane

• Water Vapour

• Oxygen

• Nitrous Oxide

What role does carbon dioxide play in the greenhouse effect?

• It reflects sunlight away from Earth

• It absorbs and re-emits infrared radiation

• It cools the Earth's surface

• It has no role in the greenhouse effect

Which human activity is a significant source of carbon dioxide emissions?

• Agriculture

• Burning of fossil fuels

• Fishing

• Mining

What is the effect of increased greenhouse gases on sea levels?

• Sea levels decrease

• Sea levels remain constant

• Sea levels increase

• Sea levels fluctuate randomly

Which of the following is a natural source of methane?

• Volcanic eruptions

• Wetlands

• Solar radiation

• Ocean currents