(2.) Which of these choices are valid scientific observations? Choose all that apply. Yes or No questions
A. The coin sank to the bottom of the gelatin cup that contained pineapple. (Yes or No)
B. The coin looks gross. (Yes or No)
C. The coin stayed on top of the gelatin that did not contain pineapple. (Yes or No)
D. The gelatin did not change color when pineapple was added. (Yes or No)
A. The coin sank to the bottom of the gelatin cup that contained pineapple. (Yes)
C. The coin stayed on top of the gelatin that did not contain pineapple. (Yes)
D. The gelatin did not change color when pineapple was added. (Yes)