Question

city lots, the cleaning and greening of those vacant lots, planting grass and a couple of trees, and the impact that change has on the surrounding community.
(15) cleaning and greening have been shown to reduce overall neighborhood crime by 13% and reduce nearby residents feelings of depression by 41%.
(16) nature in densely populated areas also has been shown to affect how people interact with one another. weve found in neighborhoods that receive tree plantings or other greening initiatives, that people tend to have better attitudes towards their neighbors, said kondo, which in turn often results in better relationships.
conclusion
(17) whether it is a park in your neighborhood or exploring the vast landscapes of national forests and grasslands, there are benefits to be had when we step outside.
(18) wellness is holistic in that it is comprised of physical and mental health as well as the health of our communities, said kondo. all of these benefits add up and reduce adverse impacts on our bodies, and have restorative characteristics. so get outdoors and enjoy natures gift of wellness.
18
select the correct answer
how do paragraphs 15 and 16 refine the idea that green initiatives have a positive impact on densely populated areas?
a. by describing the ways people interact with one another outdoors
b. by presenting both sides of how individuals feel about greening areas
c. by citing research that shows positive changes in attitude and emotions
d. by referencing a specific neighborhood that has recently improved

Explanation:

Paragraph 15 cites research on crime - reduction and depression - reduction due to greening. Paragraph 16 mentions research - based positive attitude changes in neighborhoods with greening initiatives.

Answer:

C. By citing research that shows positive changes in attitude and emotions