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Which layer of soil is least likely to be penetrated by plant roots?
The parent rock layer is the layer of soil that is least likely to be penetrated by a plants roots. Parent rocks can be igneous or sedimentary.
Which layer of soil is the oldest?
Umm... let's see. The top layer is top-soil. The middle layer is sub-soil. The bottom layer is parent rock.... I think you've got the answer...... ;-) you're welcome!
Which change would most likely cause soil layer to increase in thickness?
An increase in biologic activity
Which soil layer would likely be the most fertile?
the top one. the darker the better i think they mean (the topsoil)
What does top soil have?
the top most layer of soil
What layer of soil is most likely to contain living organisms?
top soil
Which of the layers is most likely to contain pests?
the surface layer and top soil
What is the name for a horizontal layer of soil?
There are four layers and the four layers are top layer called the organic layer, Upper soil layer, middle soil layer, and the last one is lowest layer.
Which layer of soil is least likely to be penetrated by plant roots?
The parent rock layer is the layer of soil that is least likely to be penetrated by a plants roots. Parent rocks can be igneous or sedimentary.
Which layer of soil is the oldest?
Umm... let's see. The top layer is top-soil. The middle layer is sub-soil. The bottom layer is parent rock.... I think you've got the answer...... ;-) you're welcome!
Which change would most likely cause soil layer to increase in thickness?
An increase in biologic activity
Which 2 layers of the soil are least likely to contain humus?
the two layers are sub soil The layer of soil that has little or no humus in it is the subsoil. The top layer of the soil has the most humus in it because the dead leaves fall from the plant and go back into the soil.
Which soil layer would likely be the most fertile?
the top one. the darker the better i think they mean (the topsoil)
A layer of this biome's soil stays frozen year-round What biome is the biologist most likely studying?
Permafrost
What does top soil have?
the top most layer of soil
Which layer of soil contains the most fertile soil?
Silty Soil contains the most fertile soil
You would probably find the most decomposers in the soil layer called?
where would you find the most decomposers in the soil layer
