Informative guide - Second Term

General roles of the soil:

(choose all the correct answers)

• 
• 
• 
• 
• 

The O horizon consist of _______________ leaves, organic matter and humus

• Decomposed

• Nothing

• Big

• living

The _______ Horizon is called: Top soil. It is very rich in nutrients . In this layer is where most of the organism live (plants and animals mainly).

• O

• C

• A

• R

The B horizon is:

• the last layer of the soil

• is very rich in nutriens we have humus there

• the first layer

• a hard and compact layer that consist of many minerals.

The _________ horizon is formed by small rocks.

• A

• B

• C

• D

The _______________ is the last layer of the soil, this one is very hard.

• Topsoil

• Bedrock

• Subsoil

• c horizon

Soil pollution is:

• It is when humans introduce garbage, chemicals or substances, into the soil and it causes harm to other living things.

• It is normal.....not bad

• Just one form of pollution

Industrial Pollution: The use of herbicides and pesticides for plants

• 
• 
• 

Propose a solution for land pollution: