Tris142566 Tris142566

22-03-2016
Biology

Answered

The presence of which feature in a study is sufficient to classify it as experimental?

Aa control group
Ba random sample
Cnone of the features
Dquantitative variables

Verified Answer :

mariagsa mariagsa

22-03-2016

Most experiments contain A. a control group. so I think that is the correct answer
B. Can be in an experiment but not always.
c. means nothing
d. Can be in an experiment but not always

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