GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A factor that stays the same in an experiment is the ____
A
a constant
B
an independent variable
C
a hypothesis
D
None of the above
Explanation: 

Detailed explanation-1: -A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout the course of the investigation.

Detailed explanation-2: -A control/constant variable is the variable that is constant and unchanged throughout the course of the investigation.

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