5) Fresh foods last longer when refrigerated. What explains this fact?
a) Low temperature slows down chemical reaction
c) Low temperature kills bacteria
b) Low temperature catalyzes the reaction
d) Low temperature releases enzymes
6) It refers to the negatively-charged particle of an atom.
a) proton b) electron c) neutron d) ion
Answers & Comments
Answer:
1.D
2.B
Explanation:
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