It is the word "and" in the sentence.
Yes. The sentence with correct parallel structure would be as follows. The doctor known only that her patient would improve, but also knew that her patient would [can't understand the sentence after that, but nevertheless it is still faulty].
Answer:
Because The less knowledge of medical supplies
Explanation:
When I answer this, I sorts think of "the mayflower" and other ship voyages. Back in those times I believe that they didn't have that good medical equipment and some disease that they never treated before was diagnosed! So when you had a disease on the ship, you basically a goner . (If it's correct or help you some, Could I get brainlist? If not have a great day -please rate fairly)