Answer: 1
Explanation: We are taking oxygen out of the air to breathe carbon is oxygen!
Answer:
A. 1:2:1 Ratio
Explanation:
Because there are 2 of the same physical appearances and 2 different ones… therefore it’s be 1 for the first box 2 for the identical ones and 1 for the bottom right box: 1:2:1
Hope this helps, good luck a have a great day!
THE MOLECULES ARE CLOSER TOGETHER, THEY ARE MOVING SLOWER AND THEY HAVE LOST ENErgy