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Question
In which of the following activities will you use minimum amount of water?
Options
Bathing
Brushing teeth
Washing clothes
Mopping a room
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Solution
Brushing teeth
Explanation:
Let’s compare typical water usage:
-
Bathing
-
Uses a large amount of water, especially with a shower or bucket (15 – 30 litres or more).
-
-
Brushing teeth
-
If done carefully (e.g., by turning off the tap while brushing), it uses very little water (less than 1 litre).
-
-
Washing clothes
-
Requires many litres of water depending on load size and method (hand wash or machine).
-
-
Mopping a room
-
Uses more water than brushing but less than bathing or washing clothes.
-
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