What motivated Clarence King to investigate the alleged diamond site?
A
He knew Arnold and Slack personally.
B
He needed to protect his reputation.
He enjoyed exploring the Sierra Desert.
He had been paid to help pull off the hoax.

When King learned of a spectacular diamond field in Colorado, he grew concerned because his recent study of that area gave no indication that gemstones might occur there. He visited the site and discovered that it had been salted with second-rate uncut stones. He immediately exposed the fraud.

The detail from "the city without us" most clearly shows that nature is more powerful than it appears is the size of the Japanese insect that can kill hemlock trees. “The City Without Us,” is particularly relevant — if depressing — for New Yorkers because it portrays a city robbed of its eight million people, submerged by water from below, then ravaged by devastating fires, and finally overgrown with vegetation.

Explanation: