Answer:
antihistamines
Explanation:
antihistamines can be used for a number of reasons and cause several side effects
All sexual contact
Kissing
Skin touching
Exchanged blood or body fluids
Answer: True
Explanation: Abstinence means restraining oneself from indulging in something. So, in the case I would say that being abstinent would mean not becoming sexually active.
<h2>Answer:</h2>
<u>Natural gas is indoor pollutant</u>
<h2>Explanation:</h2>
From the options given above smog and vehicle exhaust are outdoor pollutants. Oxygen is not a pollutant at all. The only option left is natural gas. When we cook food or use heaters we use natural gas so the burning of natural gas pollutes the indoor environment that is why we can say that natural gas is indoor pollutants.
