<span>In the nfpa 704 labeling system, a rating of 4 in any quadrant corresponds to t</span>he highest degree of hazard. Hazard
severity is indicated by a numerical rating that ranges from zero (0)
indicating a minimal hazard, to four (4) indicating a severe hazard.
Esophagus is the path through which food moves <span>from the mouth to the stomach.</span>
Answer: I can't answer sorwwy :'(
Explanation:
There aren't any answer choices -_-
The action or process of making a way through, or into something.
The answer is C. If it's being controlled then the ones caring out the experiments are the head of it.
