Đ1: The problems of Mauritania is very bad. There are three quarters desert,slavery,child labour and hunger. In Hong Kong not very different. There are overcrowded crime everywhere.
Đ2: The density in Mauritania is very small, only three/km (cái này ko viết mũ đc, mik cứ để tạm số 2 trg ngoặc kép nhé )"2". Hong Kong is much larger. It has over six thousand/km"2".
Đ3: The economy of Mauritania mainly agriculture. But in Hong Kong is very different. It mainly service industry and tourism.
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Đây là 3 đoạn thuộc loại rất là đơn giản mik làm cho bạn
Học tốt nhé ^v<
