Select the most appropriate option to fill in blank number 5.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. extinction.
Extinction refers to the state of being no longer in existence, especially in the context of species dying out.
The passage discusses the effects of global warming, and the future generations are facing the threat of extinction due to environmental harm.
The other options don't fit as well.