speed = distance/ time
Sally's speed = 200m / 39 s = 5.13 ms^-1
D.) a unicellular organism that has a simple structure and is commonly found in human intestines.
<span>Testosterone is the hormone responsible for physical growth and hair growth in males and females during puberty.</span>
In dialysis, a semipermeable membrane, called a dialyzing membrane, permits small solute molecules and ions as well as solvent water molecules to pass through, but it retains large particles, such as colloids. o Dialysis is a way to separate solution particles from colloids