Answer :
Answer:
c
Step-by-step explanation:
'c' is the only answer where all numbers are prime -- in 'a', 6 is not prime
and in 'b', 4 is not prime
Answer:
c
Step-by-step explanation:
'c' is the only answer where all numbers are prime -- in 'a', 6 is not prime
and in 'b', 4 is not prime