Read this excerpt from "A Student's Guide to Global Climate Change."
Based on the excerpt, what conclusion can be drawn
about protective barriers?
Climate change poses risks for cities near the ocean.
Places like Miami; New York City, New Orleans; and
Venice, Italy, could flood more often or more severely if
sea level continues to rise. If that happens, many people
will lose their homes and businesses,
They should be built along coastal communities.
O They should be built where natural barriers are
missing.
O They are the same as natural barriers.
They are usually unnecessary along shorelines.
What can people do about it?
Coastal cities can prepare for climate change by
protecting or restoring natural shoreline buffers like sand
dunes and wetlands, improving storm drainage systems,
and building protective barriers where necessary.