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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
विकल्प
cutting of green plants
gases like carbon monoxide, sulphur dioxide, etc.
smoke given out by factories
all of the above
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उत्तर
all of the above
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संबंधित प्रश्न
What is greenhouse effect?
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
Fill in the blank
Although we cannot see air, we can ___it.
Tick (√) the correct alternative from the choice given for the following statement.
Air consists of
Describe a simple experiment with the help of a diagram to show that Air has mass
______ soil has pH 7.
With whom should I pair up?
| Group A | Group B | ||
| (1) | Air | (a) | Excretion |
| (2) | Water | (b) | Scattering of light |
| (3) | Soil | (c) | Plasticity |
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
Complete the statement given below by filling in the blank with the correct word/s from the word/s given below
____________ is an example of a pollutant present in the air.
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
