If you stir a cup of leaves with a few loose leaves free to move in it, the leaves commonly accumulate in the center (axially) of the bottom of the cup. a. Why, since leaves are more dense than the tea, do they not end up peripherally located as a result of centrifugal action

Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do not exist

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen