Which of the following quotes from the passage best supports the idea that rolller coasters have changed significantly since the 1950s? A With steel coasters, though, the structures are made of lighter steel, the wheel mechanisms are more complicated, and the coaster can move in many different directions

B Regardless of type, all coasters run in fundamentally the same way, as they rely not on an independent engine or power source like a train would, but are instead moved by gravity.

C Because roller coasters are meant to thrill riders, safety has always been a concern for both riders and park employees.

D The physical forces at play, no matter what type of roller coaster, are amazing, as they act on all parts of the body.​

Healthcare costs are becoming an issue for many americans. in just two years, the average family has seen an increase of 3 percent in insurance costs. the increase rises to 25 percent when you include families who buy insurance on an exchange. at this rate, health care will soon be completely unaffordable for most americans. therefore, lowering the cost of health insurance must be a priority for lawmakers. which statement best explains why the argument is logical? a.)the argument incorporates empirical and anecdotal evidence. b.)the argument includes a strong counterclaim and a fair rebuttal. c.)the argument contains relevant reasons supported with facts and data. d.)the argument includes a personal experience as an emotional appeal.