By inhaling polluted air what type of disease caused to the people?
Lungs
Heart
Kidney
Liver
What are the main things the seeds want to germinate?
Minerals
Energy
Light, water, air
Cow dung
Write an example for poisonous gas which produces from factory?
Carbon-Di-Oxide
Oxygen
Nitrogen
Hydrogen
To remove polluted air from room we use what type of fan?
Normal fan
Table fan
Exhaust fan
Wall fan
What need sound to propagate?
Way
Path
Medium
Direction
Which type of gas is produced from refrigerator?
Chloro-Fluro-Carbon
Carbon-monoxide
What is the short form of Compressed Natural Gas?
C G N
C N G
G N C
N C G
If we plant more trees
We get fresh air
Didn’t get fresh air
Low the oxygen content
Increase the content of carbon –Di-Oxide
If we breathe polluted air we will cause
Cough
Mental worry
Fever
Cold
If we place a sheet of white paper just above the flame for a second. What happened to the paper?
It will burn
No reaction
Blue spot on paper
Black mark seen on paper
