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A: During evolution, the early time period was without an ozone layer.
R: Ozone layer absorbs U.V. rays to some extent.
  • a)
    If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.
  • b)
    If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion, then mark
  • c)
    If the Assertion is a true statement, but Reason is false.
  • d)
    If both Assertion and Reason are false statements.
Correct answer is option 'B'. Can you explain this answer?
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A: During evolution, the early time period was without an ozone layer....
A: During evolution, the early time period was without an ozone layer.
R: Ozone layer absorbs U.V. rays to some extent.

a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
c) If Assertion is true but the Reason is false.
d) If both Assertion and Reason are false.
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A: During evolution, the early time period was without an ozone layer.R: Ozone layer absorbs U.V. rays to some extent.a)If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.b)If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion, then markc)If the Assertion is a true statement, but Reason is false.d)If both Assertion and Reason are false statements.Correct answer is option 'B'. Can you explain this answer?
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