Answer: Exhaled air consists of 78 percent nitrogen, 16 percent oxygen, 4 percent carbon dioxide and potentially thousands of other compounds.
Explanation: Does this help???
Answer:
This isn't a health question but...
It's possible she didn't like what she saw in you when meeting in-person. This isn't entirely uncommon in friendships (and more).
Give her some time and message her again. But if she says stop, stop.
Explanation:
the answer is none of the above.
The correct answer is early detection. It is because in order to prevent or develop certain diseases, the person should have an early detection or diagnosis in means of finding a cure or solution to the disease that one experience.