People
Japan's population per square mile.
What is 880 people?
Land that is suitable for growing crops.
What is arable land?
Tokyo's way of reducing trash flow.
What is recycling?
A land with fertile soil and good harbors?
What is Singapore?
One of the fastest trains in the world.
What is Bullet Train?
A family unit with only parents and their children.
What is a nuclear family?
Rainfall that has large amounts of acid.
What is acid rain?
The life expectancy in Japan.
What is 81 years?
An ideal place to grow rice.
What is Japan?
Cutting areas of flat land into hillsides.
What is terracing?