Asked by nurse girl ;)

which of the following is a constant or control variable in this experiment?

A the results observed over four days
B the brand of cleanser that worked
C the use of identical bathroom tiles
D the brand of cleanser that didn't work
Answered by nurse girl ;)
and why you guys at it can you help me with the rest of the questions PWEESE
Answered by Writeacher
Nope!

You post the questions you're having problems with AND WHAT YOU THINK about each one, and a tutor will help you.

Giving out answers is not done here.
Answered by Ms. Sue
What do you think the answer is? What are control or constant variables? Google these terms if you don't know or can't find in your text.

Google tutors do not give answers.
Answered by Ms. Sue
Please explain what you do not understand.
Answered by nurse girl ;)
ok thx i will try it your the best :D
Answered by Ms. Sue
Correction: JISKHA tutors do not give answers.
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