I think that the best answer from the options is the following one:
B. lightly regulated markets depressing wages for unskilled workers
The thing is, unskilled workers cannot really pose many demands for their pay, because they can be replaced by other workers. This is what has led to low wages of the unskilled workers, while increasing the wealth of the richest, who own the production means.
D) Mars & Jupiter is correct
Answer: 10 feet long
Explanation:
The white dashed lines that divide lanes on U.S roads is 10 feet. That happens to be the Federal guideline for every street, highway, and rural roads in the United States, on roads where dashed lines separate traffic lanes or indicate (zebra crossing)—where passing is allowed.
A fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock-mass movement.