An expectorant A) reduces the swelling of nasal passages. B) ...

[student77]

An expectorant
 
  A) reduces the swelling of nasal passages.
  B) helps bring up mucus from the bronchial passages.
  C) lowers a fever.
  D) increases the effectiveness of neurotransmitters.

Question 2

1.55 kg/m3 is equivalent to ________ g/L.
 
  A) 3.58  1012
  B) 1.95  103
  C) 6.83
  D) 1.60  109
  E) 1.55

[yasmina]

Answer to Question 1

B

Answer to Question 2

E