It is the periodic table
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Answer:
it is 92
Explanation:
Atomic Mass 238.029 atomic mass units
Number of Protons 92
Number of Neutrons 146
Number of Electrons 92
Find the total number of hours needed by dividing the total amount earned by the amount per hour:
160 / 4 = 40 hours
Divide the total number of hours by hours for 1 day:
40 / 8 = 5
It will take 5 days.
<em>i think the answer is b </em>