প্রশ্ন ও উত্তর
Why does the ionosphere of the Earth's atmosphere facilitate radio communication? i. The presence of ozone causes the reflection of radio waves to earth ii. Radio waves have a very long wavelength
07 Apr, 2025
প্রশ্ন Why does the ionosphere of the Earth's atmosphere facilitate radio communication? i. The presence of ozone causes the reflection of radio waves to earth ii. Radio waves have a very long wavelength
সঠিক উত্তর
both i & ii
মন্তব্য
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