a stapler is used to staple 100 papers; it jams 5 times during the trial. a different brand of stapler performs the same test; it jams 22 times.
1 or 2 type of stapler 1. independent variable
1 or 2 number of jams 2. dependent variable

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

What feature of cell theory is best demonstrated in the image

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.