patriciamashego14
Answered

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what is the average total amount of rain for a year about 400mm
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Sagot :

Answer:

1mm rainfall means every one square meter area is filled with the water of height 1mm. ... Take a vessel of 1 square meter in dimention and keep it in an open space during rain, you will be having 1mm height of water in it that is 1 litre of water in it at the end of the rain.

Similarly, 400 mm = 40 cm of water

Further ,all these calculations are made taking into consideration-:

no loss of water to the ground
no evaporation to the air &
the opening of rain gauge is neither partially blocked nor more open to air.

Explanation:

We can safely say, 400 mms of rain means the height of the rain is 40cms above the ground in the area where rain pours.
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