Which water conservation strategy is used when a household installs a duel- flush toilet?
a- eliminating losses
b-reusing and recycling
c-limiting consumption
d-preventing pollution

Answer is C.

When a household installs a dual flush toilet, the water is mainly conserved by limiting its consumption and thus eliminates the unnecessary loss of water.

Explanation:

A dual flush toilet is similar to a standard toilet but includes some water conserving features. It is an effective way to reduce the amount of water used in flushing . It has two buttons to select two different flush settings, one for the liquid waste and the other for solid waste. Normally less water is needed to get rid of liquid waste than solids. Some models of dual flush toilet system reuses the water in the hand washer for flushing. Standard toilets use siphoning action, where a siphoning tube is used to drain the waste. While flushing, a large volume of water enters the toilet bowl which fills the siphon tube and siphon pulls the waste and water down the sewer pipe. The siphoning action stops, when the bowl emptied and air enters the tube producing a gurgling sound. Dual flush toilet has a large hole at the bottom of the bowl and a wash down flushing design to push the waste down into the drain. This system needs less water per flush as no siphoning action is required. Also the waste is easily drained out of the bowl because of the large hole at the bottom of the bowl. In a dual flush toilet, the liquid waste flush utilizes only half the amount of water than the solid waste flush. The main disadvantage of a dual flush toilet is that it is more expensive than a normal toilet..

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explanation:

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i think the answer is g1

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-lavira: )