State whether the following statements are right or wrong. Correct the
wrong ones
(4)
1)The sediments carried by glaciers are called moraines.
2) The International date line is never changed
3) Convectional rainfall occurs in most part of the world
4) India is located in the southern and eastern hemispheres of the earth
Answers
Answer:
Convectional rainfall occurs when the energy of the sun heats the surface of the Earth, causing water to evaporate to form water vapour. When the land heats up, it warms the air above it. This causes the air to expand and rise. As the air rises, it cools and condenses. This process of condensation forms clouds high in the atmosphere. If this process continues, rainfall will occur. This type of rainfall is widespread in tropical areas (between the Tropic of Cancer and Tropic of Capricorn) but also in areas such as South East England during warm sunny spells.
Convectional rainfall
Convectional rainfall
Stage 1.
The sun heats the ground, and warm air rises.
Stage 2
As the air rises, it cools, and water vapour condenses to form clouds.
Stage 3.
When the condensation point is reached, large cumulonimbus clouds are formed.
Stage 4.
Heavy rainstorms occur. These usually include thunder and lightning due to the electrical charge created by unstable conditions.
Convectional rainfall is widespread in areas where the ground is heated by the hot sun, such as the Tropics. This is why areas, such as the Amazon Rainforest, experience heavy rainfall most afternoons.
Find out about relief and frontal rainfall.
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