Statement I: Factories should have tall chimneys.

Statement II: Tall chimneys in factories help in releasing harmful smoke high in the atmosphere.

Statement I is true and statement II false.

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Statement I is false and statement II true.

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Statement I is true and statement II is true.

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Statement I is false and statement II is false.

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Solution

The correct option is C Statement I is true and statement II is true.
The burning of fuel releases harmful gases in the atmosphere. The tall chimneys in factories would take away the gases from the breathing level of the living organisms and would release them high into the atmosphere.

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