It means, "Good morning Esteban"
Climatologists warn of a tipping point when global temperatures trigger catastrophic events like the melting of the polar ice cap and this will result in sea levels rising more than 50 feet. The correct option among all the options that are given in the question is the last option. That would be the day of doom for most people living on planet earth.
I think it’s D
Sorry if I’m wrong
Is that a stament or question?