Nephron helps the urinary system to rid off metabolic waste in our system.
Threatened is the definition used when describing a species at risk of extinction
Because the earth's rotation isn't a perfect circle, so it gets different amounts of sun in certain times
using subtraction to determine the volume dispensed
making sure that you read the volume with the liquid inside the pipette at eye level
ensuring that air bubbles are not in the column of liquid inside the pipette
