Which sentence below uses commas CORRECTLY
a. The safari was expensive, dangerous and exciting
b. The travelers saw pterodactyls and a Tyrannosaurus rex.
c. The beautiful green, and gold, butterfly was dead.
It is B. but you forgot the commas in that one A. is wrong because after dangerous there should be a comma C. is wrong because after green it shouldn't have a comma B. should look like this B.The travelers saw pterodactyls, bats, and a Tyrannosaurus rex.
