Answer: your answer is A. The quality of air and water at places where people live,work, and go to school.
Explanation: environment is a where people live together.
Answer:
The 3rd Option
Explanation:
Simple for this question, C: an investigation because it uses only observations.
The HIGHER the concentration of HIV in semen or genital fluids, the more likely it is that HIV will be transmitted to a sex partner.
Answer:
450 million people are affected by severe mental illness.
Explanation:
It is safe to use boric acid while on ur period but if you are not comfortable, you can wait until your period has ended to use boric acid again