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Question 13.4 A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements. Air, oxygen, wind, water vapour, mixture, combination, direction, road, bottles, cylinders. Mountaineers carry oxygen ___ with them, while climbing high mountains.

Answer»

Question 13.4

A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements.

Air, oxygen, wind, water vapour, mixture, combination,
direction, road, bottles, cylinders.

Mountaineers carry oxygen ___ with them, while climbing high mountains.



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