What is an island?
Q: What is an island?
A: An island is a piece of land that is surrounded by a body of water such as a lake, river, sea or ocean. Islands are smaller than continents.
Q: Are Greenland and Australia considered islands?
A: Yes, Greenland and Australia are huge islands, but they are built of continental rock, so the latter is generally considered a continent.
Q: Where do rare elements come from?
A: Rare elements come from supernovae explosions which were swept up as the Sun moved through areas where supernovae had exploded. The Sun's energy also comes from turning hydrogen into helium.
Q: Does Great Britain have rare elements?
A: Yes, Great Britain has rare elements which is a sign that it was once part of a large supercontinent. The oldest rocks in Great Britain are 2,700 million years old and include many rare elements only found in cratons.
Q: How did Japan acquire iron ore during WWII?
A: During WWII Japan imported iron ore from Australia to make up for its lack of raw materials.
Q: What is Manchukuo?
A: Manchukuo was the Japanese name for the puppet state it created in northeastern China (~Manchuria) after seizing control in 1931-1945 during WWII.
Q:What resources does Japan look for now ?
A:Now Japan looks for potential resources in its nearby deep-sea muds.