Advertisements
Advertisements
Question
What is global warming?
Advertisements
Solution
The increased greenhouse effect is caused due to increase in air pollutants and it results in the average increase in temperature of the atmosphere. This is called Global warming.
APPEARS IN
RELATED QUESTIONS
How is air useful to scooters and cars.?
What is air pollution?
State four steps to be taken to control air pollution.
Fill in the blank
Air is a ______ of gases
A mixture has a variable composition. Give three other reasons why air is considered a mixture and not a compound.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Air is a mixture and not a compound since the components of air cannot be separated by physical methods.
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
Match the following:
| 1. | Layer of air | a. | Hand fan |
| 2. | Electrical energy | b. | 21% |
| 3. | Nitrogen | c. | Windmill |
| 4. | Oxygen | d. | Atmosphere |
| 5. | Palm Trees | e. | 78% |
Which of the following statements is incorrect?
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Air is a ______ of some gases.
