The last one , sorry if i’m wrong
If it says choose 2 or all that apply to the question then it would be B. Hydrogean and C. Carbon because if it had carbon and hydrogean atoms together you can see if it's organic and if you don't see it then it's inorganic. Also, if it says choose one answer then it's D. Carbon (Your Welcome
B, because it's not an advantage for something to be expensive and time consuming
Answer:
C) The insects develop resistance to the insecticide, which is passed on to successive generations.
Explanation:
It's called adaptation.