Depending on who you are writing to, then you change your voice in the article.
ex:
to a friend: hey man
to a teacher: Hello, Mr./Mrs./Ms. _____
et.al
Answer:
1) about once a month
Explanation:
Every 28 days or so, one mature egg is released from the ovary. This is called ovulation. After the egg is released, it moves into the fallopian tube where it stays for about 24 hours.
The scenario is an example of a fight or flight response.
The classic smoker's cough<span> only indicates that your lungs are irritated. However, that irritation does put you at risk of developing other infections because bacteria and viruses can take hold more easily when your lungs aren't healthy.</span>
