Question

B. Fill in the blanks.
_________controls the rate of burning,
_________gas is necessary for respiration.
________gas is used to make carbonated drinks and soda water.
5. Water vapour condenses on__________
particles and causes rain.
are burned to cook food, generate heat and run vehicles.
6. The blanket of air that surrounds the earth is called the_________
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Answer 1

Answer:

1 oxygen 2 oxygen 3 carbon 4water 5 ozone