Answer:
costal plains:China
Explanation:
Pretty sure theyre found in china,also can i have brainliest pls
All three countries have both Archipelago and Coastal plains.
China:
China has several small archipelagos scattered along its coastline, such as the Zhoushan Archipelago and the Xisha Islands.
China have extensive coastal plains, including the North China Plain, the Yangtze River Delta, and the Pearl River Delta.
Japan:
Japan's geography is dominated by its archipelago of islands. Japan is composed of four main islands (Honshu, Hokkaido, Kyushu, and Shikoku) and many smaller islands.
Japan has several coastal plains, such as the Kanto Plain, where Tokyo is located, and the Kansai Plain, where Osaka and Kyoto are located.
Korea:
Korea has archipelago consisting of around 3500 islands. In the group largest islands are Jindo, Namhaedo and Geojedo.
Korea has several coastal plains, such as the Byeongtaek coastal plain and the Southeast Coast Plain.
Know more Archipelago here:
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