Atmosphere

The (a)   is made up of a mixture of gases that form a layer surrounding the Earth.

Name the most abundant gas in the atmosphere.

• Helium

• Argon

• Carbondioxide

• Nitrogen

The differences in composition, temperature, density and other properties help us to identify (a)   distinct layers of atmosphere.

The layer of the atmosphere act as a blanket protecting the Earth from extreme heat during the day.

• Exosphere

• Mesosphere

• Troposphere

• Stratosphere

Name the layer ideal for flying condition.

(a)  

This layer is of vital importance as meteors slow down and burn up.

• Troposphere

• Ionosphere

• Mesosphere

• Exosphere

The bright, beautiful bands of light that we sometime see near the Polar Regions.

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Water vapour in the atmosphere is responsible for various forms of

• Climate Change

• CFC

• Precipitation

• Nitrogen

Green house gases such as

• Carbondioxide

• Oxygen

What is global warming?

• Climate change includes both the global warming driven by human emissions of greenhouse gases, and the resulting large-scale shifts in weather patterns.

• Change in Atmosphere

• The Earth surface increase its radius

• Atmosphere along with other gases purify the air.