Greg would like to provide a more effective controlling idea for his paper. Which sentence should replace the following to effectively state the controlling idea? (Remember you don't want to change the meaning.)Science and a lot of other things are needed to design a fun and working roller coaster.answer choicesDesigning an exciting roller-coaster ride involves imagination and creativity, but it also requires using science.Quite a bit of knowledge is needed to figure out how the best roller coasters work.Roller coasters have to be fun, so the scientists who design and build them must know something about amusement parks.Hard work, science, and having lots of other skills are needed to design popular roller coasters.

A bit of knowledge is needed to figure out how the best roller coasters work. The correct option is B)The details focus on how amusement park owners use science and work with designers of roller coasters.

For his article, Greg would like to offer a more sensible control idea. For the controlling idea of this paper to be effectively stated, sentence 8 should be changed to read: "Designing an entertaining roller-coaster ride requires both imagination and creativity.

But it also requires employing science."The main notion that a writer develops in a work is the governing idea.The controlling thought typically expresses a clear opinion or attitude regarding the composition's subject. The paragraphs of the composition can be used to support the controlling notion.

Complete question:

A)The details describe the experience of riding a roller coaster and how it involves science.

B)The details focus on how amusement park owners use science and work with designers of roller coasters.

C)The details describe the parts of a roller coaster, the experience of the ride, and how science is involved.

D)The details focus on how a roller coaster is made and how the safety equipment needed to ensure safe rides is installed.

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