Click the tube to start counting water drops until it stops, then answer the questions.
1. How many drops did you count?
2. If you are using macrodrops 20drops/ml. How many mLs does these drops equal?
Click the tube to start counting water drops until it stops, then answer the questions.
1. How many drops did you count?
2. If you are using macrodrops 20drops/ml. How many mLs does these drops equal?