Answer:
B. There were positive effects as well as negative effects.
Explanation:
Any answer choices? Based off my memory I'm going to say maybe <span>new treatments for patients suffering from tuberculosis and yellow fever</span>
Answer:
In this fashion the odometer, called the roadometer, was invented in 1847 by the Mormon pioneers crossing the plains from Missiouri.
Explanation: The odometer was attached to a wagon wheel as the wagon trav- eled. It was developed by William Clayton and Orson Pratt, and built by carpenter Appleton Milo Harmo
