The 1972 congressional clean water act?
a. gave the epa the authority to regulate water quality in navigable waterways.
b. gave congress the authority to regulate water quality in navigable waterways.
c. empowered the epa to protect groundwater in the united states.
d. empowered congress to protect groundwater in the united states.

Hello!

The correct answer is A. gave the EPA the authority to regulate water quality in navigable waterways.

The Clean Water Act is a federal law which governs water pollution. Its main objectve is to mantain the integrity of the United States waters; it is administered by state governments and the U.S Environmental Protection Agency (EPA). Navigable waters are protected by the CWA but it does not protect groundwater since groundwater protection is included in the Safe Drinking Water Act.

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A. gave the EPA the authority to regulate water quality in navigable waterways

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

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according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

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