The correct answer is the second option. Particulate matter is the air pollutant known to affect people with asthma. It also can cause other illnesses like cough, chest discomfort and a burning sensation in the lungs.
The valence electron ring is full. The ring has 8 electrons already.
Answer:
36.8
Explanation:
Because 9.2 x 4 = 36.8
Melting is an example of phase change