সাপ্তাহিক চাকরির ডাক পত্রিকা
সাপ্তাহিক চাকরির ডাক পত্রিকা ৬ সেপ্টেম্বর ২০১৯
ocean
Oceans Do you love swimming in oceans in the summer season? Well, most of us love to swim especially in summer season. Oceans give us a very pleasant experience and calmness that is why beaches are full of people in the hot days. So, what is an ocean? An ocean is a large and open body of water. Oceans are salty and cover most of the earth surface – about 71%. Most of the times the word oceans is confused with “sea”, but oceans and sea are different. A sea is not an open body of water instead, it is surrounded by land. Oceans of the World Oceans cover about 71% of our earth’s surface and there are no physical boundaries that separate one ocean from other. Instead, all the oceans are connected – as you can see on the map of our earth. Oceans are divided into 5 regions according to the continents of the world. The division lines are imaginary – not physical. These five oceans of the Earth are Pacific, Atlantic, Indian, Southern, and Arctic. Let’s learn abo...
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