Useful substances like algin, agar carrageenan and antiseptics are obtained from?
A. Marine Algae
B. Fresh Water Algae
C. Ponds Algae
D. All of these
Answer:A
Useful substances like algin, agar carrageenan and antiseptics are obtained from?
A. Marine Algae B. Fresh Water Algae C. Ponds Algae D. All of these