wait are tou asking a question or are you telling us sum
D is the answer due to lack of knowledge and accessibility
Their brains are not working right. They don't think logically and they do stupid things. They can get brain damage, they can hut themselves and/or others.
Answer:
B) Crustacea
Explanation:
All of the other choices have to do with chemicals, cancer or some other form of science, but Crustacea is a type of sea anthropod that has nothing to do with cancer.