mom2kris2GH mom2kris2GH

25-09-2020
Biology

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giving brainlist

When is an investigation also an experiment?
A. when it involves the identification and control of variables
B. when it represents key characteristics of a system
C. when it involves measurement

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Respuesta :

aryadtonnes aryadtonnes

25-09-2020

Answer:

A

Explanation:

In experiments you must have controls and variables.

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