6X2-12
1. Answer the following questions in brief:
1. Define atmosphere.
2 Mention the factors that affects the climate.
3. How are the clouds formed?
4. What are the different types of rainfall?
5. What are the factors responsible for the changes in cropping area?
6. Name the different atmospheric layers.
Answers
Answer:
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Explanation: 6×2=-12 =00
1) The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth's gravity, surrounding the planet Earth and forming its planetary atmosphere. The atmosphere of Earth protects life on Earth by creating pressure allowing for liquid water to exist on the Earth's surface, absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night (the diurnal temperature variation).
2)distance from the sea.
ocean currents.
direction of prevailing winds.
shape of the land (known as 'relief' or 'topography')
distance from the equator.
the El Niño phenomenon.
3) The Short Answer: Clouds are created when water vapor, an invisible gas, turns into liquid water droplets. These water droplets form on tiny particles, like dust, that are floating in the air. ... These energetic molecules then escape from the liquid water in the form of gas.
4) Types of Rainfall
Convectional rainfall.
Orographic or relief rainfall.
Cyclonic or frontal rainfall
5) Cropping pattern in India is determined mainly by rainfall, climate, temperature and soil type. ... A large diversity of cropping systems exists under rainfed and dryland areas with an overriding practice of intercropping, due to greater risks involved in cultivating larger area under a particular crop.
6)The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.
