A soil profile is divided into sections called

A sloping piece of land that has had flat areas like steps built on it so that people can grow crops there

When farmers plow along the curve of the land

Strip mining , removal of soil and rock above a seam of mining material such as coal followed by the removal of the exposed mining material...

Why is it easy for the wind and rain to erode the soil after a farmer has removed the plants from his fields?

The Dust Bowl of the 1930s was a result of poor farming practices and

The layer of soil with the most humus is

Humus is mainly made up of

Which geologic process is most responsible for soil formation?

Why is humus an important part of soil?

Soil is composed mainly of which ingredients?

Rose writes a list of materials that make up soil, but she cannot remember the last material to finish the list. Her list is: 1-air 2-rock pieces, 3-minerals, 4-organic matter, 5-?. What is the material that would best complete her list?

Soil is important because it provides

What is the role of decomposers in soil?

Brock grabs a topsoil sample in his hand. He rolls it into a ball. The soil feels gritty and the ball falls apart. What part of the topsoil most likely made it feel gritty?

Which of the following best describes soil erosion?

When plants, animals, and other organisms die, they beak down and become part of the soil. This part of the soil is called

Brady digs a small hole in the soil and the next day it rains. Brady observes the hole has filled with water, but does not empty even after several sunny days. How can this be explained?

Why do plants not grow well in sandy soil?

Which layer of soil is responsible for the formation of all the other layers?

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