The passage is primarily concerned with

A study of children of divorced parents found that ten years after the parents’ divorce, children who had been under six years of age at the time of the settlement were not preoccupied, nor even very curious, about the reasons that led to their parents’ divorces.

Indoor air pollution can threaten the health of closely confined farm animals and the workers who tend them and perhaps as well impairs the quality of such farm products like eggs, poultry, and pork.

The effect of the earthquake that caused most of Port Royal to sink into the Caribbean was like the eruption that buried ancient Pompeii: in each case a slice of civilization was instantly frozen in time.

It may someday be worthwhile to try to recover uranium from seawater, but at present this process is prohibitively expensive.

Carbon-14 dating reveals that the megalithic monuments in Brittany are nearly 2,000 years as old as any of their supposed Mediterranean predecessors.

Television programs developed in conjunction with the marketing of toys, which was once prohibited by federal regulations, are thriving in the free market conditions permitted by the current Federal Communications Commission.

If ~$x$~ is a number in the list above,what is the median of the list?

1.~$x>7$~

2.The median of the list equals the arithmetic mean of the list.

If a merchant purchased a sofa from a manufacturer for $400 and then sold it, what was the selling price of the sofa?

1. The selling price of the sofa was greater than 140 percent of the purchase price.

2. The merchant's gross profit from the purchase and sale of the sofa was  ~$1 \over 3$~of the selling price

A certain list, L, contains a total of n numbers, not necessarily distinct that are arranged in increasing order. If~$ L_1$~ is the list consisting of the first ~$n_1$~, numbers in L and ~$L_2$~  is the list consisting of the last ~$n_2$~, numbers in L ,is 17 a mode for L ? 

1. 17 is a mode for ~$L_1$~ , and 17 is a mode for ~$L_2$~

2.~$n_1$~+~$n_2$~=n