1) compare all three states of matter to the right. Which square has the greatest density
and why? And why is it correct?

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 are scientists concerned about the depletion of the ozone levels in the stratosphere?

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4