What is the main cause of climate change today?

• Human activities increasing greenhouse gas emissions.
• Volcanic eruptions releasing CO2
• Increased solar activity
• Natural fluctuations in the Earth's climate

What is the greenhouse effect?

• The phenomenon of Earth freezing due to lack of greenhouse gases

• The phenomenon where greenhouse gases trap heat in the atmosphere, warming the Earth

• The damage to greenhouses used for growing vegetables

• Rising sea levels due to melting ice

Which of the following gases is a greenhouse gas?

• Oxygen (O2)
• Carbon dioxide (CO2)
• Helium (He)
• Nitrogen (N2)

Which of the following is a consequence of climate change?

• Increase in forest area

• Decrease in droughts

• Rising sea levels

• No changes at all

Which of the following actions helps reduce climate change?

• Using renewable energy sources like solar and wind power.
• Using single-use plastics
• Deforestation for agriculture
• Increasing fossil fuel consumption

Which of the following gases does not trap heat?

• Carbon Dioxide
• Nitrogen
• Methane
• Ozone

Most places on the Earth are warmer than they were 100 years ago?

• True
• False

The most abundant greenhouse gas is .....

• carbon dioxide
• water vapor
• nitrous oxide
• methane