The answer is B right?

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location

What organelle other than the nucleus houses dna in a eukaryotic cell?