Sources like wikipedia are most useful when you need a. background information b. information that is entirely accurate c. quotations supporting your position d. unbiased reviews of opinions

The goal of __ painters was not to make a photographic representation of a subject, but to capture the impression of a particular moment in time a) still artist b) realist c) impressionist

Read the exercept from robert stawell ball great astronmers, based on the context of the exerpct what does the word protacted most clearly means? a. seeming to be truthful b. weighing an excessive amount c. extending in a specific decision d. continuing for a long time e. being exceptional and talented

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)