12. They are the first line of defense for coastal communities and provide natural barriers protecting coastal communities from increased storm surge, flooding, and hurricane
a. Coconuts b. Mangroves c. Sandbags
d. boats
13. How can mangrove tolerate salt water?
a. Their roots can filter out the salts before absorbing water into the plant
b. Mangrove roots easily absorbed salt water
c. Animals in the mangrove swamps drink salt water d. Salt water is being trapped by the stem and leaves of the mangroves
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12.B MANGROVES
Mangroves are the first line of defense for coastal communities. They stabilize shorelines by slowing erosion and provide natural barriers protecting coastal communities from increased storm surge, flooding, and hurricanes.
13.A
Saltwater can kill plants, so mangroves must extract freshwater from the seawater that surrounds them. Many mangrove species survive by filtering out as much as 90 percent of the salt found in seawater as it enters their roots.
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