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About bobr
Member Since March 23, 2008
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Types of atoms
how many types of atoms are there?
Submitted by
moranh
2 years ago
4 answers
viewed 1879 times
Last answer
posted 5 months ago by
gators
What is air pressure inside rubber birthday balloon?
Consider a normal rubber balloon inflated to a reasonable size; where the initial resistance of the rubber to stretching is ...
Submitted by
rabidrobot
1 year ago
8 answers
viewed 5406 times
Last answer
posted 8 months ago by
rebus
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