For centuries, people in coastal areas of China
and Japan have harvested a superfood found
in marine environments. Recent studies show
that eating seaweed protects against infection.
It also might reduce the risk of serious diseases
and extend peoples' life spans. If true, these
would be important benefits.

What does the word marine mean in
this paragraph?
A)very nutritious
B)dark blue in color
C)having to do with the ocean
D)member of the armed forces