Question

every natural number is a whole number

Answer 1

yes every natural numbers are whole numbers.
reason :
 whole numbers start from 0,1,2,3,4,5,............................................................
while natural numbers start from 1,2,3,4,5,..........................................................
so we can say that every natural number is a whole number.
 
     

Answer 2

Yes, every natural number is a whole number, because whole number is the collection of natural numbers and 0.