Biology
Assertion (A): In human body liver has an important role in fat digestion.Reason (R) : Liver produces two important fat digesting enzymes.Codes

A is true R is false
A is false but R is true
Both A and R are individually true, but R is not the correct explanation of A
Both A and R are individually true and R is the correct explanation of A

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Biology
Ozone hole refers to

decrease in thickness of ozone layer in stratosphere
increase in the thickness of ozone layer in troposphere
decrease in the ozone layer in troposphere
hole in ozone layer

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