When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the _______ variable.

A. control
B. observational
C. environmental
D. experimental

Question

When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the _______ variable. 
    
A. control
B. observational
C. environmental
D. experimental

anonymous · Answer

it is d

jakyfraze · Answer

are you sure missiey?

anonymous · Answer

what my notes say!!

jakyfraze · Answer

I'm new to this, what do you mean your note?

anonymous · Answer

i looked it up in my notes i am a biology major. on here cause i hate math lol

jakyfraze · Answer

oh hahah, thank you :). can i give you a medal?

anonymous · Answer

no prob and sure thanks
you need more help just tag me

jakyfraze · Answer

how do you tag someone in?

anonymous · Answer

next time u post a question on top of question jusy put @ and the name

anonymous · Answer

or you can send me a message

jakyfraze · Answer

okay, that sounds good thank you thank you so much man :)

anonymous · Answer

no prob