contact other schools within the state study science textbooks in the library look for current acid rain studies on the Internet examine soil samples taken at different locations
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Mrs. Garry's class wants to know if their area has more acid rain than other parts of the state. Which would be the best way for them to begin research?
Possibilities:
- contact other schools within the state
- study science textbooks in the library
- look for current acid rain studies on the Internet
- examine soil samples taken at different locations

look for current acid rain studies on the Internet