What was the Los Angeles aqueduct?​

the LA Aqueduct tapped into the waters of the Owens River and delivered water 233-miles south to Los Angeles. When completed in 1913, the Los Angeles Aqueduct was considered to be a great engineering accomplishment only second to the Panama Canal.

Explanation: By far the largest environmental impact created by the L.A. Aqueduct was the emptying of Owens Lake. The opening of the Aqueduct caused its only inlet, the Lower Owens River, to dry up, turning what was once the second-largest lake in California into a dry lake bed.

the answer is "by providing data about careers and annual mean wages"

b. the passage of the equal rights amendment  

explanation:

this mean that anything that someone else could do they could do