About 70 percent of the Earth's surface is covered by water. This water is made up of the five oceans of the world as well as many other bodies of water. One of these common water bodies is an ocean.
The Sea of Okhotsk is almost entirely bordered by Russia, except for a small part that lies by the north of Japan. It's the coldest sea in East Asia.
Monsoon-driven weather dominates in the East China Sea, with wet, rainy summers and typhoons and colder, drier winters.