Respuesta :

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiitttttttttttttttttttttttttttttttccccccccccccccccccccccchhhhhhhhhhhh

it is b

Answer:

Explanation:

answer - (B) Before, the substance was a gas. Later, it was a liquid.

hope this helped :)