Question

choose the correct option​

Answer 1

Answer:

1) b) Methane

Explanation:

HOPE IT WAS HELPFUL

PLEASE MARK IT AS BRAINLIEST

AND FROM NE TIME PLEASE SPECIFY WHICH ONE ARE YOU ASKING

Answer 2

Explanation:

(1) Carbon dioxide

( 2) Sewage

( 3) Volcanic eruption

(4) Varnasi

(5) b one

(6) b one

(7) potable water