How might upward growth of cities be a better choice than outward growth?
a.
Upward growth affects less land area than outward growth.
b.
Upward growth helps moderate pollution problems.
c.
Upward growth has no limitations.
d.
Upward growth has no environmental impact

Question

MrMudd183 · Answer

I believe it's A.  Upward growth is talking about higher up.  If you use upward growth, you won't have enviromental land loss.  So I'd say A is the best answer