Oral rehydration salts are used to
a.

purify air that has been polluted
b.

replenish moisture in the environment after natural disasters such as earthquakes
c.

purify water supplies to minimize the risk of catching cholera
d.

replenish fluids in the body after it suffers fluid loss from diseases such as cholera

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

What impact does geography have on where people live in brazil?

Which type of learning occurs when you observe how other people act?