Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)

Responses
a
H2 + O2 → H2O
H 2 + O 2 → H 2 O
b
2H2 + 2O2 → 2H2O
2H 2 + 2O 2 → 2H 2 O
c
H2 + O2 → 2H2O
H 2 + O 2 → 2H 2 O
d
2H2 +O2 → 2H2O