Science 9_Climate Change

What is the primary greenhouse gas responsible for trapping heat in the Earth's atmosphere?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

What is the name given to the gradual increase in Earth's average temperature due to human activities?

Which human activity is a major contributor to the increase in carbon dioxide levels in the atmosphere?

• Deforestation

• Solar energy production

• Recycling

• Planting trees

Which of the following is a renewable energy source that can help mitigate climate change?

• Coal

• Natural gas

• Wind

• Petroleum

Which of the following actions contributes to reducing carbon emissions?

• Burning fossil fuels

• Using public transportation

• Clearing forests

• Increasing industrial activities

What do you call is a natural greenhouse gas?

Which of the following is a potential consequence of melting ice caps and glaciers?

• Decreased sea levels

• Increased freshwater availability

• Coastal flooding

• Reduced habitat loss for polar bears

Cutting down trees contributes to ____________, which is a major cause of climate change.

Which of the following is a potential consequence of climate change on ecosystems?

• Increased biodiversity

• Expansion of coral reefs

• Desert greening

• Species extinction

What is the term used to describe the process by which Earth's atmosphere traps heat, leading to an increase in average global temperatures?

• Greenhouse effect

• Ozone depletion

• Acid rain

• Desertification