I believe it’s carbon dioxide, because you use your respiratory system to breathe in oxygen, and oxygen goes through your circulatory system. And you breathe out CO2.
Answer:
Regulations of cleanliness, provide fresh and healthy meals to the customer.
Explanation:
They have to follow the rules and regulations of cleanliness, provide fresh and healthy meals to the customer. Most of the restaurants follow the rules and regulations but some of them did not follow. They serve frozen and old food instead of fresh meal and dirtiness present in the place where food is cooked. The people should choose only those restaurants where thee rules and regulations are followed.
