Consider the following statements regarding the Arctic tundra ecosystem:
Statement-I: The Arctic tundra is now emitting more carbon than it absorbs.
Statement-II: Rising global temperatures are causing the thawing of permafrost, which releases stored carbon into the atmosphere.
Which one of the following is correct in respect of the above statements?
1
Both Statement-I and Statement-II are correct, and Statement-II is the correct explanation for Statement-I.
2
Both Statement-I and Statement-II are correct, but Statement-II is not the correct explanation for Statement-I.
3
Statement-I is correct, but Statement-II is incorrect.
4
Statement-I is incorrect, but Statement-II is correct.