The correct answer is A (Automobiles).
Particulate matter is a complex mixture of extremely small particles and liquid droplets.
One of the major components of particulate matter is sulphate usually coming from sulphur dioxide found in exhaust fumes that have been produced by automobiles . Other components are nitrates , ammonia, sodium chloride and black carbon.
Other components of particulate matter come from dust, soot, smoke, industrial emissions.
Particulate matter is one of the most common contributor to air pollution.
It's important to get an annual check up because, it's important to make sure you are okay and your not having something internal going on.
If you don't go to the doctor, you might become very sick and may not be able to get over it that quickly. Which is something that need's to be evaluated by a doctor.
Going to a doctor yearly is a great way to make sure there's nothing going on. Not going to the doctor is a big risk to be taking. It's very important you go see a doctor yearly.
Her doctor would most likely tell her that adults need less calories than children so she needs to slow down her eating and exercise more
Answer: C
Explanation:
The proper social behavior would be to always take turns doing what everyone wants to do when you are with your friends.
