Because oxygen hogs the electrons it has a slightly NEGATIVE charge.
A Butterfly has Four Stages
Answer:
The inability of the sinuses to drain and the associated lack of airflow create an environment that is ideal for bacterial growth. In acute viral sinusitis, the virus that caused the upper respiratory infection has infected the sinuses and continues to produce mucus, inflammation, and congestion.
Answer: c
Explanation: all cell membranes need to maintain function
