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Problem 1: What is a control? A. a variable or variables that you manipulate during an experiment B. a variable or variables that change with the independent variable C. a variable or variables that you must keep constant during an experiment D. a variable or variables for which you cannot account *** my answer: C idk is that correct??? :D

Chemistry
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hiya @TranceNova :) do u get this?? :D
(sorry! a little distracted by other things at the same time :P)

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Other answers:

Problem 2: In an experiment, Shara feeds her rat different brands of rat food (brands X, Y, and Z) each for 2 weeks and weighs the rat over several days during the period of each diet. What is the independent variable? A. the rat's change in weight during the period B. the duration of each period C. the amount of water that the rat gets in each period D. the brand of food that Shara feeds the rat *** my answer: D is this one correct as well?? :D
it's okay @TranceNova :P and i posted 2 questions in one post :) problem 1 and problem 2 :) are they correct?? is #1 answer C and is number 2 answer D??
@ganeshie8 do u understand theses??
hi @phi!!! :) do u get these?? :D are my answers correct?? idk 100% :(
*these ^^ lol :P
the first one is correct :) I keep getting distracted from reading the second
U mean control variable?
yeah :)
  • phi
sounds good
@phi, you mean BOTH answers sound good?? lol so are y'all saying C is the answer to problem 1??
and is D the answer to problem 2??? :) is that it?? :D
what do y'all think?? :D
Well given that the independent variable is the thing that "you change" in the experiment - you got it right :)
so yes??? both my answers are correct then?? :D
Ya. its D for second one.
=O
thank youuuu :) thanks everybody for all the help!! :D
really appreciate the help!!! :D
Well done at getting them right without any help :D
haha thanks :) but thanks for the explanations and clarifications and shtuff :)

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