Answer:
I dont under What your asking
Explanation:
Answer: so I think this may be the actual answer if not oops
The correct answer is
(B) ethylene-vinyl chloride
Explanation:
vinyl chloride. noun. a colourless flammable gaseous unsaturated compound made by the chlorination of ethylene and used as a refrigerant and in the manufacture of PVC; chloroethylene; chloroethene.
"Of" is a preposition in the phrase "Of studying" and "until" is another, as well as "to" in the phrase "to college" so there are 3 in that sentence.
Answer:
use insect repellent.
wear long sleeved shirts and pants.
use windows and door screens.
sleep with a bed net.
stay in air conditioned rooms.
avoid areas with still or stagnant water.
Explanation: These are all ways of preventing an insect born disease
