What effect did the mining technique described in this excerpt have on the local environment?

Rivers became filled with sediment.

Reduced flooding led to an increased reliance on irrigation.

Forests were clear-cut, and the timber was used to line tunnels and shafts.

Farmland benefited from a change in soil composition.

Which of the following was the most direct result of the environmental modifications listed above?

Improved transportation to western states expanded trade and settlement.

Road construction became a major industry in the United States.

Federal regulations were adopted to ensure safety and ease of travel on the road.

State governments cooperated closely to maintain road quality.

One environmental consequence of the large-scale cultivation of cotton in the South was —

widespread soil exhaustion caused by decades of farming

drought caused by overuse of river water to irrigate farmland

widespread water contamination caused by fertilizer runoff

air pollution caused by the use of cotton gins

These environmental modifications were made in order to construct —

permanent housing for immigrants in urban areas

a harbor on the Mississippi River

canals that linked the Midwest to the Northeast

TEKS Social Studies Grade 8 - 8.11.B: Describe Positive & Negative Consequences Of Human Modification Of The Physical Environment Of The U.S.

TEKS Social Studies Grade 8 - 8.11.B: Describe Positive & Negative Consequences Of Human Modification Of The Physical Environment Of The U.S. | Quizalize

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