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5. Approximately how many chemical elements are found in a smartphone? A. 25 B. 55 C. 70 D. 110
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5. Approximately how many chemical elements are found in a smartphone? A. 25 B. 55 C. 70 D. 110

User Zdenekca
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Answer:

30 elemants

Step-by-step explanation:

User Alex Marchant
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