Why do collapsing ice shelves concern scientists?
A. They add to global sea level rise.
B. They hold back ice flow from the interior.
C. They slow ice streams.
D. They can increase global warming.
Answer:B
Why do collapsing ice shelves concern scientists?
A. They add to global sea level rise. B. They hold back ice flow from the interior. C. They slow ice streams. D. They can increase global warming.