How are scientists studying and mapping the seafloor? AND Why are scientists mapping the seafloor?

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

wait any answer choices plz

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