If you see dark clouds and strong wind, what is most likely to happen?
Why are handles of cooking vessels usually made of plastic or wood?
Why do we feel thirsty after eating salty food?
Why are zebra crossings painted in white?
Why should we not look directly at the Sun?
Why do birds fluff up their feathers in winter?
Why are school buses often painted yellow?
Why do we cover food?
Why do we wipe wet floors?
Why do doctors check our body temperature?
Why are tyres filled with air instead of water?
Why do we yawn when we are sleepy or bored?
Why is it difficult to run on sand compared to a road?
Why do mountaineers carry oxygen cylinders?
Why should electrical appliances not be touched with wet hands?
Why do we blink our eyes frequently?
Why are bridges expanded slightly at the joints?
Why is it advised to open windows in the morning?
Why do we feel cooler after sweating?
Why is it easier to float in salt water than fresh water?
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