WHY WATER FREEZES SOFT.
Shank, D. T.
What is the reason hard water becomes soft by freezing?
Martin Shank.
Answer.—By freezing the mineral substances are precipitated and the water becomes soft, in the same manner as by boiling. For like reason filthy water will produce comparatively clear ice.
HIGHEST RANK IN U. S. ARMY.
Plattville, Ill.
What is the order of rank of generals in the United States Army? What changes have been made in the rank of the highest army officers since the war of the Revolution?
A Subscriber.