Respuesta :
Answer:
I think the answer is D. To suggest there is more research to be done.
Explanation:
They said it was not the only one so, there has to be more research to find out the other theories.
Answer:
The answer turned out to be B because i got it correct and so did someone else. Not to be rude but i think it's not good how people rate answers 5 stars when they haven't even seen it's correct. It confuses people so please dont rate an answer 5 stars or better yet dont even rate them. Take the test first :)
Explanation:
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