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What is a longitudinal wave? a. particles that travel in parallel to the direction of energy movement b. particles that travel in a reverse direction to the direction of energy movement c. particles that
answered
Nov 19, 2017
Physics
high-school
3
votes
103k
views
Who made the microscope?
answered
Aug 15, 2017
History
high-school
6
votes
181k
views
Nico wanted to determine the number of students in his school who buy school lunch. He walked around the cafeteria one lunch period looking to see whether every fifth person in the cafeteria purchased
answered
Aug 13, 2017
Mathematics
high-school
6
votes
82.5k
views
What is the answer to 24/56 simplified
answered
Sep 9, 2016
Mathematics
middle-school
4
votes
216k
views
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