14. Fair testing in an experiment means that
A.you change all the variables
B. you do not change anything at all and keep all the conditions the same
C. you change only one variable at a time and keep everything else constant
D. none of the above
A.you change all the variables
B. you do not change anything at all and keep all the conditions the same
C. you change only one variable at a time and keep everything else constant
D. none of the above
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Answer:
C
Explanation:
A fair test is a test that controls all but one variable when attempting to answer a scientific question. Only changing one variable allows the person conducting the test to know that no other variable has affected the results of the test. ... Softly -
Answer:
14. Fair testing in an experiment means that
Explanation:
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