Answer:
descriptive investigation
Explanation:
The correct answer is a descriptive investigation. An investigation which does not involve hypotheses called descriptive investigation.
Answer:
Riddles were originally a form of oral literature, rather than written down, so think of how the riddle sounds when you say it. Try not to bog down your riddle with elaborate words or abstract concepts.
Because he owned all the train tracks
Low taxes, few government regulations and copetition encouraged people to invest in new industries.