Part A Which statement is a central idea of the text?

A. Scientists usually work in laboratories.

B. Scientists work alone on their research.

C. Scientists work together and report their findings.

D. Scientists mostly work outdoors.

Question 2
Part B

Which detail from the text best supports the answer in Part A?

A. Experiments must be repeatable.

B. Variables change in different experiments.

C. Without sharing results, little progress is made.

D. Often, there is no correct answer in science.

Read the passage from sugar changed the world. sugar is a taste we all want, a taste we all crave. people throughout the planet everywhere have been willing to do anything, anything at all, to get that touch of sweetness. we even know exactly how thrilling it was to taste sugar for the first time. when the lewis and clark expedition met up with the shoshone, who had little previous contact with old world products, sacagawea gave a tiny piece of sugar to a chief. he loved it, saying it was "the best thing he had ever tasted." sugar created a hunger, a need, which swept from one corner of the world to another, bringing the most terrible misery and destruction, but then, too, the most inspiring ideas of liberty. sugar changed the world. we begin that story with a man who could never know enough. how does the conclusion of the prologue support the authors’ purpose? select two options. it introduces the topic that will be addressed next. it provides information about the authors. it states why the topic is relevant to readers. it cites sources the authors used in the text. it explains how the authors came to study the subject.