In scientific inquiry, observations can be made in many ways. This includes by using the senses, or performing an experiment.
I am blue.
Not a smurf.
But a blue delinquent from RobIox Arsenal (random poem btw)
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst. hope this helps :)
The stem cells will divide through mitosis to create diploid stem cells.
