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

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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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