Which sentence below uses commas CORRECTLY?

(1 point)
The safari was expensive, dangerous and exciting.
The travelers saw pterodactyls, bats, and a Tyrannosaurus rex.
The beautiful green, and gold, butterfly was dead.

The sentence that uses commas correctly is:

The travelers saw pterodactyls, bats, and a Tyrannosaurus rex.

The sentence that uses commas correctly is:

The travelers saw pterodactyls, bats, and a Tyrannosaurus rex.

The sentence that uses commas correctly is: The travelers saw pterodactyls, bats, and a Tyrannosaurus rex.

Explanation:
Commas are used to separate items in a list or series of three or more items. In this sentence, the list includes pterodactyls, bats, and a Tyrannosaurus rex. The commas are correctly placed between each item to separate them.