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Hitachi High-Tech

Special Feature — Part 12

How is soil formed?

Varieties of Soil Formed from Rock

Soil is formed from rocks getting wet, drying out, heating up and cooling down,
which gradually breaks them down into small particles (a process called weathering).
There are many different types of soil in the world, depending on the type of rock from which it forms and also the climate.

A World of Different Soil Varieties

Let's take a look at soil in Japan, which has a lot of volcanoes, rain and snow!

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