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Do You Know
Questions & Answers on General Knowledge.

Is that a fountain of water coming out of the blowhole?
The whale opens its blowhole to breathe out stale air. When this air comes in contact with the colder air outside, the water vapour in the atmosphere condenses. This looks like a fountain or spout.
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    Cut back on salt

    Its estimated that 75 percent of the salt we eat is already added to foods, like bread, cheese, sausages, cereals and biscuits. Experts recommend that we eat no more than 6g of salt a day

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