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Question

Regarding the assertion and reason, choose the correct option.
Assertion [A]: Nuclear explosions majorly increase background radiation levels in the world.
Reason [R]: Nuclear explosion results in the release of radionuclides which are long lived and remain suspended in the atmosphere.

A
Both A and R are true and R explains A
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B
Both A and R are true R does not explain A
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C
A is true and R is false
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D
Both A and R are false
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Solution

The correct option is A Both A and R are true and R explains A
Nuclear explosion tests are a major cause of radioactive pollution. It increases the background level of radiations throughout the world because a number of long lived radionuclides are released into the atmosphere and are then dispersed over long distances by winds from the test site.

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