Question

How do forests help in: preventing soil erosion preventing floods checking global warming controling water flow?

Answer 1

roots of trees keep the soil intact at its place and prevent its flow with water, wind, etc.
it maintains the temperature of atmosphere and helps in bringing rain.

Answer 2

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Flood➫ An overflow of water that submerges land that is usually dry.

♦ It can also be overflow of mud flow caused by buildup of water underground.

♦ It is a natural process, but mankind's activities affect flooding.

♦ It occur at irregular intervals and vary in size, area of extent , and duration.

➧ Causes Of Floods:-
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❱ Heavy Rains
❱ Broken Dams
❱ 0verflowing Rivers
❱ A Lack of Vegetation
❱ Melting Snow and Ice
❱ Urban Drainage Basins
❱ Storm Surges & Tsunamis
❱ Channels with Steep Sides

➧ Effects Of Floods:-
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❱ It effect on the economy, environment and people.

❱ It  can also contaminate drinking water and lead to diseases.

❱ It destroy several buildings & Houses.

❱ It caused massive leakage in nuclear plants.

➧ Precautions Of Floods:-
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❱ Seek higher ground.

❱ Be ready to evacuate.

❱ Stay away from power lines & electrical wires.

❱ Be aware of flash flood areas such as canals, streams & drainage channels.

➧ Prevention Of Floods:-
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❱ Construct buildings above Flood levels.

❱ Tackle climate change.

❱ Increase spending on flood defences.

❱ Restore rivers to their natural courses.

❱ Introduce water storage areas.

❱ Protect wetlands and introduce plant trees strategically.

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