Answer:
Trade promotes economic growth, efficiency, technological progress, and what ultimately matters the most, consumer welfare. By lowering prices and increasing product variety available to consumers, trade especially benefits middle- and lower-income households.
Explanation:
I would think that it helps them get more products
If you look on openstudy.com they have lots of answers to this :-)
By rename do you mean turn into an improper fraction?
if so, it is because without turning it into an improper fraction, you cannot subtract 3/4 from 1/4 because you would get a negative answer and that would be incorrect
Researchers found a total of 138 volcanoes in the West Antarctic Ice Sheet overlying the West Antarctic Rift System, 91 of which had never before been identified. Basically they have never seen those types of volcanoes before.