What does observation means in Science. What is the definition?
Is it like to do the two separate experiments, on the same topic and compare the results.
Am I correct,
Thanks
In advance
A gumball machine contains 232323 green gumballs, 525252 red gumballs, 343434blue gumballs, 616161 yellow gumballs, and 303030 pink gumballs
What percentage are red ,do you add up
the elements and put it over the total?