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

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i only

ii only

both i & ii

neither i nor ii

জাহাঙ্গীরনগর বিশ্ববিদ্যালয় অতিরিক্ত প্রশ্নসমূহ সাধারণ জ্ঞান পৃথিবী-Earth পৃথিবী সম্পর্কিত তথ্য

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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 | এর সঠিক উত্তর both i & ii

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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

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