What happens to water when it freezes?
its mass increases.
its mass decreases.
its density increases.
its density decreases.

Construct at least two possible hypotheses for the student’s experiment.

The data below simulate what happened to peppered moths in england after the industrial revolution which statement best describes the process that produced one of the emding populations of moths ?light colored moths were selected for on light colored trees

Kidney stones are tiny crystals of calcium or magnesium that block the narrow sections of the excretory system. which symptoms would a person with kidney stones experience? a. inability to store urine; pain in the bladder b. inability to store urine; pain in the urethra c. reduced urine flow; pain in the bladder d. reduced urine flow; pain in the urethra