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Home arrow Common Errors Workbook arrow Punctuation and mechanics arrow 31. Do not use dashes as periods arrow Sentence Practice 2

Sentence Practice 2



 This activity contains 5 questions.

Question 1.
People one thought that rogue waves—also called freak waves and monster waves—were truly a freak of nature and thus legendary.
 
End of Question 1


Question 2.
As far as we now know, these rare waves manifest on the ocean’s surface—tsunamis, on the other hand, result from undersea earthquakes and volcanic eruptions.
 
End of Question 2


Question 3.
In fact, one of the biggest differences between rogue waves and tsunamis is that rogue waves threaten even medium-sized boats out in the ocean—tsunamis are no threat to ships but to shores.
 
End of Question 3


Question 4.
Only in 2004—using exhaustive photographic technology—did scientists confirm the existence of rogue waves.
 
End of Question 4


Question 5.
Now scientists need to figure out the rest of the story—they need to discover how rogue waves form, since they are a threat to shipping and cruise ships.
 
End of Question 5





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