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.
<span>A DNA Fingerprint is a pattern of dark bands on photographic film that is made when DNA fragments are separated by Gel electrophoresis and tagged.
Every human has their own unique fingerprints which will leave its trace to whatever objects we touched and our Law enforce held the database of all legal citizen's fingerprints</span>
Answer:
75%
Explanation:
3/4 of the phenotype will have O blood group, and 1/4 will have A blood group.
Several things; don't use multiple patches, never take an ED medication (Erectile Dysfunction), if sign and symptoms including those of hypotensive reading, go to the emergency room.
