if a variable in a laboratory experiment does not change it is called the (blank) variable. what is the blank answer?

if a variable in a laboratory experiment does not change it is called the (blank) variable

The blank would be independent

Explanation:

Independent variable is the only variable that does not change unlike controlled and dependent variable

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i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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