Answer: No, all the bugs did not die.
Explanation: Some bugs will survive and adapt to the sprayed stuff.
Answer:
movement to and fro or around something, especially that of fluid in a closed system.
Yes it is C but for future reference, both A and B are referring to solids, and D is referring to a gas, hope this is helpful later!
The correct answer is B. Oxygen.
Oxygen, as a part of the atmosphere, also participates in UV protection, besides being necessary for breathing.