Greenhouse gasses and Global Warming

Which of the following gases is not a greenhouse gas?

• Methane

• Nitrous oxide

• Oxygen

• Carbon dioxide

The primary cause of the greenhouse effect is:

• Oxygen emission

• Trapping of solar heat by greenhouse gases

• Reflecting sunlight

• Increased rainfall

Which gas is commonly used in refrigerators and contributes to ozone depletion?

• Nitrogen

• Carbon dioxide

• Methane

• Chlorofluorocarbon (CFC)

The ozone layer is located in which part of the atmosphere?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Which of these contributes directly to deforestation?

• Afforestation

• Building roads and houses

• Planting trees

• Using solar energy

A major source of nitrous oxide in agriculture is:

• Compost

• Fertilisers

• Pesticides

• Rainwater

Which human activity is a major cause of global warming?

• Using wind energy

• Flying airplanes

• Drinking bottled water

• Reading books

Which of the following is a natural disaster that contributes to the greenhouse effect?

• Lightning

• Forest fires

• Landslides

• Solar eclipse

What is global warming?

• Sudden cooling of Earth

• Decrease in Earth’s temperature

• Rise in Earth’s average surface temperature

• Temperature changes on the Moon

One of the main contributors to rising sea levels is:

• More rain

• Melting glaciers and ice caps

• Evaporation

• Volcanic eruptions