Many species of Porphyra, Laminaria and Sargassum are among the ______ species of marine algae used as food.
A. 80
B. 25
C. 90
D. 70
Answer:A
Many species of Porphyra, Laminaria and Sargassum are among the ______ species of marine algae used as food.
A. 80 B. 25 C. 90 D. 70