Which is the greatest source of air pollution these days?

  • A
    Factories
  • B
    Motor vehicles
  • C
    Domestic appliances
  • D
    Animals

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Similar Questions

What is $DDT$ among the following?

Match the following items correctly:
List-$I$ List-$II$
$(1)$ Vegetable waste $(A)$ Takes $3$ to $5$ months for natural decomposition
$(2)$ Plastic materials $(B)$ Takes $7$ to $10$ months for natural decomposition
$(3)$ Agricultural waste $(C)$ Remains in original form for decades without decomposition

Which of the following processes consumes $CO_2$ and is therefore least responsible for global warming?

The higher concentration of which gas in air can cause stiffness of flower buds?

Which of the following is not a greenhouse gas?

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