In which layer of air is the Ozone layer present ?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

Moving air is called...

• Wind

• Breeze

• Tornado

• All of the above

The inert gas used to fill balloons and airships is.....

Name an inactive gas .

What causes acid rain

• When Sulphur Dioxide mixes with the water vapor present in the clouds .

• When Carbon Dioxide mixes with the water vapor present in the clouds .

• When Smoke mixes with the water vapor present in the clouds .

What are the uses of Carbon-Dioxide

• Used by plants for photosynthesis

• Traps the heat from the sun to maintain the Earth's temperature

• All of the above

What causes Global Warming ?

• The natural gases released in to atmosphere

• Oxygen released in the atmosphere

• The Noble gases released in the atmosphere

• None of the above

What percentage of Oxygen is present in the inhaled air ?

• 21%

• 78%

• 1%

• 100%

The water vapor present in the air is due to...

• Evaporation of water from water bodies

• Condensation of air from atmosphere

• Revenge of Jedi from Star Wars

• Writing of answers from thinking

• Condensation of water from water bodies

How can we reduce air pollution ?