Question

what are the most useful things in the world​

Answer 1

Answer:

water,food etc... I hope it helps you

Answer 2

You might not believe it, but cash is in fact the world's most widely used product, far beyond smartphones, books or cars. Think about it: everywhere you travel, even in some of the most remote corners of the world, the one thing that everybody knows how to use – regardless of age, gender or religion – is cash.

Best of Fluck