True or False. For questions 8-12, determine whether the statement is true or false
9. Zero is a counting number.
10. There are no counting numbers between-2 and 1
11. All real numbers are integer
12. Some natural number are negative.
13. V9 is an irrational number.
14. Rational number is a subset of irrational number
15. Integers are consisting of negative and positive counting numbers including zero​