Biggest Rat In The World

Rat is

Grassland Around The World|Summary|List Of Biggest, Lowest, Highest & Largest Things In World

In the forthcoming generation of the world of the following will be biggest source of food ?

List Of Biggest, Lowest, Highest & Largest Things In World|Grassland Around The World|Summary"

According to the updated World Bank data for 2017, India is the sixth biggest economy of the world (in terms of GDP). Which one of the following is not ahead of India?