Hipparchus, originator of trigonometry, began measuring distances between celestial bodies in the 2nd century bce.

identify the appositive phrase.

Read the passage and choose the correct punctuation marks

What is the main source of conflict in this passage? lee grew up near the old-growth forest. she loved wandering the trails and looking at the natural beauty around her. but the city council recently approved plans to cut down the forest in order to build a shopping center and apartment buildings. the council believed the development would create new jobs and provide more affordable housing. lee was upset when she heard about the plans to destroy her beloved forest, and she vowed to do something to save it.

[he] let his gaze wander to the swirling water of the stream racing madly beneath his feet. a piece of dancing driftwood caught his attention and his eyes followed it down the current. how slowly it appeared to move! what a sluggish stream! what contrasting words are used to describe the stream in this passage?