(01.03 lc)
which of the following must be true in order for an object to stay in place? (4 points)

a) the forces must be balanced.

b) the forces must be positive.

c)the forces must be negative.

d)the forces must be gravitational.

14 days is the half-life of phosphorus-32

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?