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.