High and low pressure — task. Science CBSE, Class 7.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Choose the best option:

1.

It is easier to ride a bicycle when

Wind blows in the opposite direction of the rider
Wind blows along the direction of the rider
Wind blows from the sideways of the rider

2.

Why air is pumped inside the cycle tube?

To burst the tube
To deflate the tube
To keep the tube tighter

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