When people drill a mine shaft into the earth to obtain oil or gold, they are primarily modifying the a. atmosphere b. hemisphere c. hydrosphere d. lithosphere select the best answer from the choices provided a b c d

The correct answer is D. Lithosphere.

Explanation

The lithosphere is the solid surface layer of the earth and is composed of tectonic plates that are part of the outer mantle and the asthenosphere. It is usually fifty to one hundred kilometers thick from the cortex. In this are the geological phenomena such as the earthquake or seismic earthquakes, volcanic and volcanic magmatism, and orogenesis with the formation of mountains take place.

On the other hand, mining is an economic activity based on the extraction of natural minerals formed by the metamorphic processes of the Earth in the lithosphere. In this activity, the earth is excavated to find the minerals encrusted in the rocks.

So the correct answer is D. Lithosphere.

the cost of college has risen faster than inflation for many years.

the high price of student services and administration are two reasons for the rapid increase in cost.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.