BECE Basic Science 2023 Objective — Question 70
Question 70 of 119 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Basic Science 2023 Objective paper, with the correct answer and a full explanation.
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The Global System for Mobile (GSM) Communication is facilitated by ______ technology.
- A. computer signals
- B. gamma rays
- C. infrared rays
- D. microwaves
- E. radiowavesCorrect
Explanation
Mobile phones send and receive voice and data as radio waves.
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