What is the name of the variable that is set by the scientist in an experiment? A. The independent variable
B. The dependent variable
C. The graphing variable
D. The stable variable

I'm not smart so I have no clue​

If 25 ml of each of the liquids in the answer choices below were poured into a 100 ml beaker, which would form the second from the bottom layer? a. sea water – density of 1.024 g/ml b. mineral oil – density of 0.910 g/ml c. distilled water – density of 1.0 g/ml d. petroleum oil – density of 0.820 g/ml