According to Paragraph 6, why is manual uprooting a difficult process?A.It requires divers
According to Paragraph 6, why is manual uprooting a difficult process?
A.It requires divers to undergo strenuous training.
B.The algae's roots are usually too strong to pull out.
C.It is necessary to remove every last piece of algae.
D.The algae grow back faster than they can be removed.