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Whelan Whelan
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Posts: 3158
8 years ago
A few sheets of ordinary paper can form an effective shield against what type of radiation?
A) alpha particles
B) cosmic rays
C) gamma rays
D) neutrons
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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hbutler2hbutler2
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Posts: 3075
8 years ago
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Whelan Author
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8 years ago
Just got PERFECT on my quiz
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Yesterday
Brilliant
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2 hours ago
Smart ... Thanks!
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