How do fossil fuels cause air pollution?

  • A
    By releasing oxygen into the atmosphere.
  • B
    By producing oxides of nitrogen and sulphur during combustion.
  • C
    By reducing the concentration of carbon dioxide.
  • D
    By absorbing all suspended particles from the air.

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Similar Questions

Mention the three processes in which oxygen is used up from the atmosphere and the only process in which it is returned to the atmosphere.

Which of the following is a recently originated problem of environment?

$(a)$ Study the given figure of the nitrogen cycle and mention what $A, B, C, D,$ and $E$ represent.
$(b)$ What will happen if step $A$ does not occur?
$(c)$ Write the role of nitrogen-fixing bacteria in the biosphere.
$(d)$ Name two biologically important compounds that contain both $O_2$ and $N_2$.

'Ozone-hole' means:

Write the names of three processes in which oxygen is used and one process by which it returns to the atmosphere.

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