Answer:
Number of protons
Explanation:
Any particular element can always be identified by its number of protons.
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1)True
2)A
3)A
4)C
5)A
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Answer:
B) How often a disease occurs in a particular area or group of people
Explanation:
Epidemiologists study diseases in many different situations. Their main goal is to prevent diseases by using this information to plan and evaluate strategies.
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~Silver
Yes they can because the catalyst does not take part in the chemical reaction and remains unchanged after the reaction has ended. Biological catalysts are known to be recycled by the bodies in which they work.
