What is bluid around the nose

In some cases, such as when you have a cold or allergies, mucus may flow out of your nose or down your throat. When mucus comes out of your nose, it's called nasal discharge. It can also be called post-nasal drip or rhinorrhea. Although it's annoying, nasal discharge is common and usually goes away on its own.

Explanation:

i'd say that the moon rock is about 2.2 billion years old.

the answer is c. it will give up it's valence electron to the other atom.