Asked by nicki

what is the purpose of testing variables
I am stuck, can you help me?
Answered by bobpursley
Sometimes we want to discover what causes a change in what we are observing.
Not all variables are causal.
Answered by lidia
how do i form good study habbits?
Answered by Perplexepenny,O
Well u try do find the differences and results after the testing.Wat exactly were u testing
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