some problems

Pacific Ocean: Pacific Ocean

Greenland: Greenland's green island

Iceland is a country, which is located in the north of England. Iceland has a cold temperate maritime climate with changeable climate. Influenced by the Gulf Stream, it is milder than other places in the same latitude. The sunshine time is long in summer and extremely short in winter. Aurora can be seen in autumn and early winter. 1/8 of the whole area is a glacier.

Dead Sea: The Dead Sea is located at the junction of Palestine and Jordan in West Asia. The Dead Sea, formerly known as "Salt Sea" in Hebrew, is -400 meters above sea level, which is the lowest point of land in the world. The Dead Sea is about 82 kilometers long from north to south, the widest from east to west 18 kilometers, the average depth 146 meters, the maximum depth of 395 meters and the area 1049 square kilometers. The salt content of the Dead Sea is extremely high, with the surface layer of 23 1 ‰ and the bottom layer of 332 ‰, which is 5-8 times higher than that of ordinary seawater. The specific gravity of the Dead Sea Lake is1.172-1.227, while the specific gravity of the human body is only.

1.021-1.097 is smaller than the water in the Dead Sea, so people can lie on their backs on the surface of the Dead Sea like lying in bed, even those who can't swim won't drown. So the Dead Sea won't die.

Greenland: farther north than Iceland. Has entered the arctic circle, covered with ice and snow all year round. It is white.

Pacific Ocean: There are many trenches at the bottom of the Pacific Ocean, the deepest and most famous of which is Mariana Trench. Moreover, the Pacific Ocean is very stormy, so it is not peaceful.