Question 7 of 11
How to play
the game
Show Diagrams
CH
4
+
O
2
CO
2
+
H
2
O
O-O
O-C-O
H-O-H
O-O
O-C-O
H-O-H
O-O
O-C-O
H-O-H
O-O
O-C-O
H-O-H
O-O
O-C-O
H-O-H
O-O
O-C-O
H-O-H
O-O
O-C-O
H-O-H
