Answer:
I believe the answer is Dissolved Oxygen.
Explanation:
Dissolved oxygen (DO) is the amount of oxygen that is present in water.
The right answer is: Bleeding oesophageal varices
Bleeding oesophageal varices occur when swollen veins (varicose veins) of the lower esophagus rupture and bleed.
Oesophageal varices may leak blood and eventually rupture. This can lead to serious bleeding and life-threatening complications, including death. When that happens, it's a medical emergency.
Answer:
A sexual norm can refer to a personal or a social norm. Most cultures have social norms regarding sexuality, and define normal .
Explanation:
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