Need help fast please I am timed and giving 47 points.
Four groups of students plan scientific investigations to answer four questions for the science fair.
Questions for Science Fair:
1-What kinds of plant life grow naturally in the town parks?
2-Which types of treats do different breeds of dogs like best?
3-Do different types of grass affect how far a ball rolls?
4-How are the chemicals in different vegetables similar?
Which question would most likely be answered with an experimental investigation?
A-1
B-2
C-2
D-4