When the air moves gently, it is called:
Storm
Wind
Breeze
Hurricane
Moving air is called:
Wint
Wins
Winv
What is atmosphere?
Mixture of gases that surrounds the earth
Mixture of gases that surrounds the sun
Mixture of gases that surrounds the moon
Mixture of gases that surrounds the planets
Air pollution occurs:
When dust particles, fumes or odour are introduced into the atmosphere in a harmful way
By the dust particles in the air
By the gases present in the air
By the human waste
78%
88%
98%
68%
Which is true?
Keep the windows closed
Should not play in open places
Should breathe in the smoke that people release while smoking
Use a handkerchief to cover our mouth while coughing
Which is used to tell the direction of the wind?
Wind vane
Weather station
Wind mill
Wing garage
Which of the following type of dust does air contains?
Dust particles
Waste particles
Water drops
Germs
Which is used to produce electricity?
The mixture of gases that makes up the Earth's atmosphere is called:
Water vapour
Air
Nitrogen
Hydrogen
