Global Warming

What effects do Greenhouse gases have on the atmosphere? Choose from the list the correct options (more than one).

• Absorb heat

• Re-radiate (reflect) back to the lower atmosphere

• They allow 100% of heat to pass through

• They reflect all sunlight back to earth

Which of these are effects of global climate change? Select the correct answers.

• Melting Ice Sheets, West Antarctica

• Weaker Monsoons in West Africa

• Fewer floods all over the world

• Coral Bleaching

Which of these countries is NOT in the top 5 per capita for carbon dioxide emissions?

• Australia

• Canada

• China

• USA

Which economic activity generates the largest amount of Carbon Dioxide Emissions?

• Energy

• Agriculture

• Industry

• Fishing

Which fossil fuel, which we use in Australia, is responsible for the largest share of our emissions?

Which of these describes a feedback loop?

• Sea ice melts, less reflection, faster melting

• Sea levels rise because of melting and thermal expansion

• Sea levels are higher, presenting risks to people on low-lying islands

• Sea levels are rising

Which of these factors explains coral bleaching? More than one.

• Pollution

• Heat

• Cold

• Fishing

Draw the process of coral bleeching. Algae is expelled by the Coral

Why does Coral Bleaching occur?

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How do human activities lead to Global Warming? Explain

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