<span>They are parasitic.
They are a type of roundworm.
They have medical uses.
are all correct</span>
What are the choices?
Comment those and Ill give you the answer :)
Explanation:
Islamic mathematicians such as Al-Khwarizmi, Avicenna and Jamshīd al-Kāshī made advances in algebra, trigonometry, geometry and Arabic numerals. Islamic doctors described diseases like smallpox and measles, and challenged classical Greek medical theory.
Maryland was the first royal colony.