Asked by Anne

Scientific investigations involve many steps and processes. Which characteristics define a laboratory experiment?
A. hypothesis, models, and calculations
B. test variables, data, and uncontrolled conditions
C. data, conclusions, and unregulated environment
D. independent and dependent variables, data, and controlled conditions
Answered by Ms. Sue
I'll be glad to check your answer.

Answered by Anne
I think it is A but I am not sure
Answered by Ms. Sue
I disagree.



Answered by Anne
is it D
Answered by Ms. Sue
Yes.
Answered by Student who really need help or will fail
What is the answer help me
Answered by Student who really need help or will fail
So is it D
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