Which of the following would be a testable hypothesis?
1. If acid is added to a solution, then the pH of the solution will go down.
2. Dropping a ball from a height of 10 m will cause it to bounce back up 5 m.
3. If certain foods are healthy for you, then they should also taste good.
4. Plants produce glucose as the end product of photosynthesis.
1. If acid is added to a solution, then the pH of the solution will go down.
4. Plants produce glucose as the end product of photosynthesis.