Based on the information in paragraph 3, which of the following best describes the main difference between parks and rooftop gardens? A. Parks are expensive to create while rooftop gardens a
Based on the information in paragraph 3, which of the following best describes the main difference between parks and rooftop gardens?
A. Parks are expensive to create while rooftop gardens are not.
B. Parks are public while rooftop gardens are private.
C. Parks absorb heat while rooftop gardens do not.
D. Parks require much space while rooftop gardens do not.