Determine Which Numbers in the Set Are Natural Numbers $- 13,6,11 , \sqrt { 49 } , 0 , - 9 , \sqrt { 65 }$

Multiple Choice

Determine which numbers in the set are natural numbers. $- 13,6,11 , \sqrt { 49 } , 0 , - 9 , \sqrt { 65 }$

A) $6,11 , \sqrt { 49 } , 0 , \sqrt { 65 }$
B) $6,11 , \sqrt { 49 }$
C) $6,11,0$
D) $6,11$
E) $- 13,6,11,0 , - 9$