Global Warming

What is global warming?

• • a) A decrease in the Earth's temperature

• b) An increase in the Earth's temperature

• • c) The process of making the Earth flat

Which gas is most responsible for global warming?

• • a) Oxygen

• • b) Carbon dioxide

• • c) Nitrogen

Which of the following activities contribute to global warming?

• • a) Planting trees

• • b) Using fossil fuels

• • c) Recycling paper

Global warming is caused by natural processes only.

• True

• False

Cutting down forests can contribute to global warming.

• True

• False

__________ energy is a clean and renewable source of power that can help reduce global warming.

The process of trapping heat in the Earth's atmosphere is called the __________ effect.

Car __________, which releases carbon dioxide, is a major source of global warming.

Draw in detail the greenhouse effect.

How does recycling help reduce global warming?