Physics, 13.10.2020 08:01 jaibean1202
Someone had broken into Sam's house! Police came to investigate and a crime scene analyst collected evidence: broken glass, a piece of torn cloth, swabs from blood drops. Sam watched the crime scene analyst and thought he'd like to do that one day. It was a scientific way to solve puzzles! "You'd better get busy and study!" said his mother. "You know forensic scientists must have strong backgrounds in ."
A) chemistry.
B) geology.
C) law.
D) mathematics.
Answers: 1
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According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?
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Someone had broken into Sam's house! Police came to investigate and a crime scene analyst collected...
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