Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.
-Palladium mining is an intricate process because it is spread out under the earth's surface.

Question

Quizplus · Accepted Answer

The best choice is "Earth's"
The first letter in Earth should be capitalized when referring to the planet. Since there is only one Earth, an apostrophe precedes the s in the possessive case.

Choose the Answer Which Best Rewords the Italicized Portion