Answer:
underwater weighing
Explanation:
underwater weighing is considered the gold standard of body composition assessment
"When water molecules escape from your frozen food, it is also possible for oxygen molecules to seep in. The oxygen molecules can dull the color and modify the flavor of your frozen product. Food that has freezer burn is safe to eat, but you may find the texture and taste not to your liking."
Source - https://www.loc.gov/rr/scitech/mysteries/freezerburn.html
Through the Air we breathe
Increase blood pressure and decrease urine output.