aurobindo wrote:
vineetgupta wrote:
The ancient Romans understood the principles of water power very well and in some outlying parts of their empire they made extensive and excellent use of water as an energy sources. This makes it all the more striking that the Romans made do without water power in regions dominated by large cities.
Which one of the following, if true, contributes most to an explanation of the difference described above in the Romans’ use of water power?
(A) The ancient
at constructing andWhich one of the following, if true, contributes most to an explanation of the difference described above in the Romans’ use of water power?
(A) The ancient
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