This is definitely false. Gymnosperms do use seeds but are exposed like the pine cones of pines. Angiosperms still have seeds, however, they flower or fruit (which can are seeds).
Answer:
THE ANSWER MAY BE OTTOMAN I GUESS
Answer:
Syphilis
Explanation:
Syphilis, it was treated because Lewis and Clark brought a vaccine, for it. They where infact well prepare to treat the disorder.
