Question

Zero is an element of the set of natural numbers.

Answer 1

In mathematics, a natural number is either a positive integer (1, 2, 3, 4, ...) or a non-negative integer (0, 1, 2, 3, 4, ...). 

Answer 2

In mathematics, a natural number is either a positive integer, 1, 2, 3, 4, 5.... or a non-negative integer 0, 1, 2, 3, 4, 5... 

So yeah Zero is an element of the set of natural numbers. 

I hope this helps!! ~~Have a nice day!~~