Question

question 6 of 10
read this excerpt from alan weismans \the city without us\:
\when this pump facility shuts down,\ says paul schuber, \in half an hour water reaches a level where trains cant pass anymore.\
which claim does the excerpt most clearly support?
a. cities provide ecosystems just like forests and deserts.
b. natural disasters will ultimately lead to humanitys downfall.
c. the human impact on the environment is permanent.
d. without humanitys presence, new york city would quickly deteriorate.

Explanation:

The excerpt shows that when the pump facility (a human - maintained infrastructure) shuts down, water quickly reaches a level that stops train operations, indicating the city's vulnerability without human up - keep.

Answer:

D. Without humanity's presence, New York City would quickly deteriorate.