Which of the following would be considered a theory?
A. Glass is fragile.
B. Hot air rises.
C. Gasoline has a very strong odor.
D. Helium balloons float because helium is less dense than air.
Answer:D
Which of the following would be considered a theory?
A. Glass is fragile. B. Hot air rises. C. Gasoline has a very strong odor. D. Helium balloons float because helium is less dense than air.