1. A
2.C
3. F
4.D
5.G
6.B
7. H
8.E
That is true. This surely will reduce empty calories
Answer:
C-None of these are found in an observational study
Explanation:
(A.) controlled variables are a part of what's found in a controlled experiment. (B.) manipulated variables are a part of what's found in a controlled experiment. (C.) Answer choice A. or Controlled variables, Answer choice B. or Manipulated variables, and Answer choice D. or Control groups are a part of what's found in a controlled experiment. (D.) Control groups are a part of what's found in a controlled experiment. Therefor this only leaves one answer and that answer is Like I said C-None of these are found in an observational study.
Answer:
D
Explanation:
Mutualistic relationships are relationships in which each party, the bees and flowers, benefits from the interaction in some way.