When working with additional information in a sentence, when should dashes be used instead of commas or parentheses?
a.
a dash is always used when renaming a noun.
b.
a dash is used to continue the flow of a complex sentence.
c.
a dash is used to set off a relatively important aside in a way that grabs the reader's attention.
d.
a dash is used in formal writing to set off less important background information.

Ineed . read the passage, and choose the two (2) inferences that are most firmly based on the given information. experts have blamed caffeine for bone loss among older women. but a university study of 138 older women found that caffeine had no such effect. in that study, women who drank more than five cups of coffee a day had the same bone density as women who got little caffeine. 1. bone loss among older women is not a problem. 2. the experts who blamed caffeine for bone loss may be wrong. 3. caffeine causes healthy bones. 4. some older wome