Question

Write short notes on the following.


1. Troposphere


2. Global Warming


3. Atmospheric Pressure


4. Nimbus Clouds


5. Boundaries of Europe​

Answer 1

Answer:

1) Troposphere-:

This is the lowest part of the atmosphere - the part we live in. It contains most of our weather - clouds, rain, snow. In this part of the atmosphere the temperature gets colder as the distance above the earth increases, by about 6.5°C per kilometre.

2) Global Warming -:

Global warming is that the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) thanks to human activities, primarily fuel burning, which increases heat-trapping greenhouse emission levels in Earth's atmosphere.

3) Atmospheric pressure -:

Atmospheric pressure is the force exerted on the ground by the air above it when it is attracted to earth by gravity. Usually atmospheric pressure is measured with a barometer. It is represented by the unit atmosphere.

4) Nimbus Clouds-:

Nimbostratus clouds are dark, grey, featureless layers of cloud, thick enough to block out the Sun. Producing persistent rain, these clouds are often associated with frontal systems provided by mid-latitude cyclones.

Answer 2

Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always.

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