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book What Is Life? 2nd Edition by Jay Phelan cover

What Is Life? 2nd Edition by Jay Phelan

النسخة 2الرقم المعياري الدولي: 978-1464102448
book What Is Life? 2nd Edition by Jay Phelan cover

What Is Life? 2nd Edition by Jay Phelan

النسخة 2الرقم المعياري الدولي: 978-1464102448
تمرين 32
In controlled experiments:
A) one variable is manipulated while others are held constant.
B) all variables are dependent on each other.
C) all variables are held constant.
D) all variables are independent of each other.
E) all critical variables are manipulated.
التوضيح
موثّق
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The correct Answerto this question is a)...

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What Is Life? 2nd Edition by Jay Phelan
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