1.

A list of words is given in a box. Use appropriate words to fill up the blanks in the following statementsAir, oxygen, wind, water vapour, mixture, combination, direction, road, bottles, cylinders.(a) The ______ makes the windmill rotate.(b) Air is a ______ of some gases.(c) A weather cock shows the ______ in which the a6ir is moving at that place.(d) Mountaineers carry oxygen ______ with them, while climbing high mountains.

Answer» (a) wind

(b) mixture

(c) direction

(d) cylinders


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