Soil 🪱 Flashcards

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1
Q

What is soil

A

•Soil is the layer of loose material on the
earth’s surface.

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2
Q

Whats soil made from ( 5 main ingredients)

A

Air, humus, mineral water, water and living organisms

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3
Q

Name 6 ways soil can be formed

A

•Climate
•Parent Material
•Vegetation
•Living Organisms
•Landscape
•Time

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4
Q

What is soil profile

A

If you dig down into the ground you will reach
the bedrock. You will be able to see a number
of different layers of soil. Each layer is called
a horizon.

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5
Q

What are the three horizons

A

There are 3 horizons, called the A,B, and C
horizons. These 3 layers make up the soil
profile.

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6
Q

A horizon

A

This, the upper layer of soil, is called the
topsoil. It is dark in colour because it has
a high humus content. Most of the
organisms live in this horizon.

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