Either B and D I believe I may be wrong..
I think it is D. because the sun's radiant energy gives life to the earth life forms.
Answer:
The bedbugs began to die, but then they mutated to become immune to the chemical being used on them, so then they were able to regain their population. Most of the time, in order to get rid of bedbugs, people just burn their mattress' because bedbugs mutate and become immune fast becase their life cycle is so short.
Please Mark BRAINLIEST
2 chains and 4 nucleotides
