PLZ HELLLP TONS OF POINTS (this is on a FINAL)
 two students are comparing scientific experiments to investigations. They came up with the following ideas.
 Student A: Testing plant growth in different types of soils
 Student B: Comparing the water level in a lake during different times of the year
 Which student gave an example of a scientific experiment?
 Student A because it requires experimental and control groups
 Student B because it requires a hypothesis
 Student A because it is preferably done in natural settings
 Student B because it is preferably done across a long period of time