Questions and Answers
Which of the following is NOT a property of air mentioned in the text?
Visible to the naked eye
What is the approximate thickness of the blanket of air surrounding the Earth known as the atmosphere?
20 km
During which season does the air become very humid according to the text?
Rainy season
What serves as indicators of the movement of air according to the text?
Signup and view all the answers
Which gas supports combustion, as mentioned in the text?
Signup and view all the answers
Which of the following gases mentioned is chemically bonded to other gases in the air?
Signup and view all the answers
What is a notable change in the composition of air during the rainy season?
Signup and view all the answers
What are some impurities mentioned in the text that can pollute the air?
Signup and view all the answers
