Aquaponic: Technological changes in the petroleum business in the late nineteenth century?

Technological Changes on aquaponics systems:
Question by smart girl: Technological changes in the petroleum sector in the late nineteenth century?
A) occurred quickly and put a premium on refining efficiency.

B) had little impact compared to those in iron and steel.

C)had been slow in coming because there was a restricted consumer demand for petroleum merchandise.


D) had been retarded by the monopolistic manage exerted by John D. Rockefeller.


Very best answer:
Answer by ShannonC. Prior

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