Answer:
The differnece between nagative and postitve is negative can stress o=you out and Positve stress can bring you happness and help you be happy
Explanation:
<h3>The blood in the pulmonary artery is going to the heart to collect oxygen, and therefore has a low content of oxygen. So, the blood in the pulmonary artery is a violet colour because it has low oxygen. The blood in the pulmonary vein is oxygen rich, and so it gives a scarlet</h3>

True. If those traits are there, you know that they will respect what you want in the relationship.
The answer is the first one and third one
Sneeze into your elbow area because you won't spread the germ to others