Challenge Question #1
Darcy
(
darshas@biddeford.com
)
Sat, 29 Mar 1997 16:16:36 +0000
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USERNAME@mpls.k12.mn.us: "bats sonar"
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ISELIN MIDDLE SCHOOL: "challenge question #1"
A sonar is a machine that uses sound waves to estimate the
depth or height of something.
Jessica Hobgood, grade 5
North Berwick, Maine
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USERNAME@mpls.k12.mn.us: "bats sonar"
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ISELIN MIDDLE SCHOOL: "challenge question #1"