Three insoluble liquid x ,yand z are shaken together in a bottle and allow to settle. the density of the liquid are as follows x = 1.5 g/cm ,z=1. og/cm and y= 3/cm Draw a sketch to show the various
layers into which the liquid are settled.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

All motion is caused by force? true or false

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory