Explanation:
collectively, including plants, animals, the landscape, and other features and products of the earth, as opposed to humans or human creations.
<span>I think the right answer is C. has little to no scientific evidence. <span>Several
investigations have shown that ADHD has a genetic component, which can
be inherited, which indicates that its origin is not due to toxic or
food influences, therefore these factors do not influence the
development of the pathology.
I hope my answer can help you.
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First of all, it's not exactly clear what is "normal" - this changes from generation to generation and for example the traditional family used to be considered "normal" but now all other kinds of families are normal too.
Second, there is typically a big generational difference between family members, so it's hard to say that they function "as a whole"
For these reasons I don't think this statement is true.