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elena-s [515]
3 years ago
6

Why is it difficult to test the efficacy of biofeedback using experimental techniques?

Physics
2 answers:
Lelechka [254]3 years ago
4 0

Answer:

the correct answer is a

Vitek1552 [10]3 years ago
3 0
I think that the best answer would be A. because biofeedback changes your brain waves which induce certain areas to create extra chemicals therefore stimulating you brain. where as medication is the chemicals so there fore there would be no constant to compare against.
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To solve this problem with have to follow the order of operations. (PEMDAS) Parenthesis, Exponents, Multiply, Divide, Add, Subtract.

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