How approaches to prevention and treatment changed and stayed the same between 1700 -1900.

The treatment and prevention facilities have improved leaps and bounds in those two centuries.

Explanation:

The two century span given here was the part of some of the most dramatic change in the human exploration of science and it also reflected in the medical practices of the time.

With the two important discoveries of the germ particle and the invention of some tools that led to surgery in its modern form and its study made it possible for doctors to understand disease for the first time, it also meant that these discoveries could better use the tools now made for surgery and the cure of the patients that needed their care in this time.

the answer is 1.. i think

the answer is b for brother