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- 1. Multiple Choice
Which of the following is NOT a greenhouse gas?
Methane
Nitrous Oxide
Chlorine
Carbon Dioxide
- 2. Multiple Choice
Which of the following activities contributes the most to carbon emissions globally?
Agriculture
Burning fossil fuels
Respiration
Deforestation
- 3. Multiple Choice
Which of the following may happen to planet Earth without the greenhouse effect?
It will become very cold.
It will die.
It will stay normal.
It will become warm.
- 4. Multiple Choice
In the past, refrigerators, aerosol spray, propellants and solvents were all sources of greenhouse gas. What do you call these gases?
Methane
Carbon Dioxide
Nitrous Oxide
Chorofluorocarbons (CFC)
- 5. Multiple Choice
What happened to the level of carbon dioxide in the atmosphere over the past 200 years?
Decreased slightly
Increased steadily
Stayed about the same
Increased until recently and then decreased
- 6. Multiple Choice
How does the increased in carbon dioxide cause global warming?
It allows more sunlight into the atmosphere.
It reduces the amount of oxygen in the air.
It reflects more sunlight from clouds.
It traps more heat in the atmosphere.
- 7. Multiple Choice
Which of the following are the best things to do to help slow down global warming?
I. Use energy efficiently at home.
II. Participate in tree planting activities.
III. Continue using the single use plastics.
IV. Practice the 5Rs (Reduce, Reuse, Recycle, Repair and Recover).
V. Promote the use of CFCs in the refrigerators and aerosol sprays.
I and II only
II and IV only
I, IV and V only
I, II and IV only
- 8. Multiple Choice
CFCs are used as refrigerants in refrigerators. The use of CFCs has been banned
worldwide. Do you agree with the government’s idea of not using CFCs anymore?
Why or why not?
Yes, because CFCs are dangerous to human health.
No, because there is no study that supports the idea.
Yes, because CFCs causes global warming.
No, because CFCs play a vital role in refrigerator.
- 9. Multiple Choice
National government has been looking for ways to help solve the issue on global warming. Is planting trees one of the best ways to help solve the problem? Why or why not?
Yes, because trees give us shed and protects us from the heat of the sun.
No, because trees only contribute to the carbon dioxide level in the atmosphere.
No, because trees only gives off oxygen as its by products in the
photosynthesis.
Yes, because trees help in absorbing the carbon dioxide, one of the gases that traps the heat in the atmosphere.
- 10. Multiple Choice
What are the important roles of the greenhouse gases?
I. It is necessary for communication.
II. It reflects back the sun’s rays to Earth to keep it cold.
III. It helps the Sun in providing the energy needed by Earth.
IV. It absorbs infrared radiation from the earth and re-radiate it back to the Earth.
IV only
II and IV only
II and III only
I, II and III only
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