Answer :
Answer:
Choose the one that makes you answerable c:
Explanation:
How have economic, political and social factors affected patterns of homelessness in San Francisco over the past ten years?
What are the most effective communication strategies for increasing voter turnout among under-30s in region X?
How did Irish women perceive and relate to the British women’s suffrage movement?
What effect do different legal approaches have on the number of people who drive after drinking in European countries?
Answer:
What is the optimal amount of water required per square inch of grass?
Explanation:
You could do an actual project, and plant grass, and see how much water is required per square inch of grass, or you could search it up.