You have to have either done two experiments or read two experiments or read one experiment and do the other in order to compare and contrast an experiment.
Standardization
Control
control :)
The control remains the same in an experiment so that you have something to compare the outcome to.
contrast
Compare and contrast it with what?
1. Compare 2. Contrast
A constant is an ingredient or part of the experiment that does not change. A control is also a required ingredient, however it can change. (this change could be MANY things depending on the experiment type.
compare is when you compare two things that are the same and contrast is when you compare two things that are different.
compare and contrast the lakes,wetland and rivers?
compare and contrast between triangles and a trapezoid
Compare.
compare and contrast of paradise book 1 and book9
compare & contrast the similarities & differences of a relation & function
The answer depends on what you wish to compare and contrast it with.
compare and contrast mean the equalities and differences between what you are comparing and contrasting.
compare and contrast nmirian and clare in sons and lovers