Earth Science: Soil (mglicc)

__________ is life bearing while __________ is barren.

A) dirt, desert
B) soil, dirt
C) soil, bedrock
D) dirt, soil

Another word/phrase used to describe bedrock is ___________.

What allows soil to support various forms of plant and animal life?

______ is a combination of particles of rocks, minerals, and organic matter produced through __________ processes.

The following are the steps for Soil formation. Fill in the blanks.

1. Bedrock begins to disintegrate

2. ________ materials facilitate disintegration

3. ____________ form.

4. Developed soil supports thick ___________.

Which soil horizon layer is the subsoil, and completes a basic mature soil.

A) A horizon
B) B horizon
C) C horizon
D) O horizon

Why does Horizon B contain the nutrients in soil?

Any mature soil must have a ________.

Which horizon contains the nutrients needed for some deep root plants?

Which horizon contains the organic material in soil?

Another word for horizon A is _______.

As more organic matter and minerals are added to soil it starts to form ______.

The carbonation of Limestone is a weathering process that occurs in which soil horizon

A) O horizon
B) C horizon
C) A horizon
D) B horizon

In step 2 of the soil formation process, After the partly weathered parent material starts to gather organic matter, what happens to the parent material?

What type of soil would suppor a forest of 15-30 foot pine trees?

A) Mature soil
B) Immature soil

Large trees are supported by which kind of soil?

A) Mature soil
B) Immature soil

Which horizon is the top layer of soil and is dominated by organic matter, and leaf and stem litter?

A) A horizon
B) B horizon
C) C horizon
D) O horizon

Which horizon layer is the zone of accumulation of organic matter and nutrients?

A) C horizon
B) A horizon
C) B horizon
D) O horizon

Which horizon layer is the zone of illuvation (accumulation of clays)

A) B horizon
B) O horizon
C) A horizon
D) C horizon

Generally, _______ areas tend to have very deep fertile soil since the ____________ will not wash the soil away

What kind of soild is promoted by flat land?

A) Good
B) Bad

If the soil is native to the area it formed, what relationship is it most likely to have with the parent rock?

A) The fact that they are both acidic
B) A dynamic equilibrium
C) Chemical weathering
D) A matching physical composition
E) A matching chemical composition