Read the given assertion and reason and choose the correct option.
Assertion [A]: Global warming reduces pH levels in the oceans.
Reason [R]: Carbon dioxide dissolves in water to form carbonic acid.

Q. Regarding assertion and reason, choose the correct answer.
Assertion [A]: Global warming reduces pH levels in the oceans.
Reason [R]: Carbon dioxide dissolves in water to form carbonic acid.

Q.

Regarding Assertion and Reason, choose the correct option

Assertion[A]: Dolly is a $100\%$ clone of a Finn dorset ewe.

Reason[R]: Dolly's nuclear DNA is from a Finn dorset ewe and her mitochondrial DNA is from a Scottish Blackface ewe.

Q. Regarding the assertion and reason, choose the correct option.
Assertion [A]: Deforestation is one main factor contributing to global warming.
Reason [R]: Besides, $C{O}_2$, methane and CFCs are also greenhouse gases.

Q. Read the assertion and reason carefully to mark the correct option out of the options given below:
$\left(a\right)$If both assertion and reason are true and the reason is the correct explanation of the assertion.
$\left(b\right)$If both assertion and reason are true but reason is not the correct explanation of the assertion.
$\left(c\right)$If assertion is true but reason is false.
$\left(d\right)$If assertion is false but reason is true.
Assertion: 4-nitrophenol is more acidic than picric acid.
Reason: Phenol is a weaker acid than carbonic acid.

Q. Read the assertion and reason carefully to mark the correct option out of the options given below:
$\left(a\right)$If both assertion and reason are true and the reason is the correct explanation of the assertion.
$\left(b\right)$If both assertion and reason are true but reason is not the correct explanation of the assertion.
$\left(c\right)$If assertion is true but reason is false.
$\left(d\right)$If assertion is false but reason is true.
Assertion: 4-nitrophenol is more acidic than picric acid.
Reason: Phenol is a weaker acid than carbonic acid.