The coast of Louisiana is losing 25 square miles of wetlands every year because of

the man made channels and levees

energy drilling

rising sea levels

all of these

i believe it would be the lungs.

i think it is dna, i'm not totally sure but i think it might be.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above