Most Early River Valley civilizations (3000 B. C. - on) had economies that changed over time. Which line best explains how most Early River Valley economies changed? A. command → traditional → market
B. market → command → traditional
C. traditional → command → market
D. market → traditional → command

Which best explains how the viewpoint in the greenberg interview differed from that in the informational text on thurgood marshall. a. the informational article provides an insider's view of the brown vs board of education case; the perspective of the greenberg interview is more distant.

Read the passage from an argumentative essay. many endangered species are currently threatened by climate change. there are some laws already in place, but are they effective enough? anyone with a conscience knows that these creatures deserve the chance to survive without outside threats impeding their survival. i suppose this is a tough decision for lawmakers, but i hope they choose wisely. which statement best evaluates the claim in the passage?

The words screaming and rushed in the passage suggest which tone in the story the metamorphosis a.) tense b.) positive c.) fun d.) formal