The move from the was a factor which led to the energy crisis, because opec began to price a barrel of oil against gold.
a. gold standard
b. fluid exchange

The answer was the Gold Standard.  The U.S. dollar was based on the Gold Standard.  Due to the rising price of oil, the value began to fluctuate so they decided to base the value of their currency on the demand of the markets but this led to the dollar’s depreciation.

according to hess's theory, when the magma cooled, it would expand and push the tectonic plates apart. it would push the north and south america plates to the west and eurasia and africa ones to the east. the atlantic ocean would get wider but the coastlines of the masses would stay the same.

harry hammond hess was a geologist and a united states navy officer in the second world war. he is considered to be one of the founding fathers of the theory of plate tectonics. he is known for his theories on sea floor spreading, stating that the movement of the continents was the result of see floor spreading. the continents are attached to the plates and do not move separately. the plates themselves shift and change shape, carrying the continents along.

it would be d). more resources must be obtained to attain that combination of goods and services