Srimad Bhagavatam: Canto 12, Chapter 04 – The Four Categories of Universal Annihilation

03. As annihilation approaches,

a)   Due to famine, starving populace will literally consume each other
b)   Fire of annihilation will flare up from the mouth of Lord Sankarsana
c)   A great and terrible wind of destruction will blow for 100 years
d)   All the above