Rocks And Soil Question Preview (ID: 31592)
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How does sedimentary rock form?
a) Chunks of old rock get compacted and cemented together
b) Magma solidifies
c) Heat and pressure
d) None of the above
How does igneous rock form?
a) Chunks of old rock get compacted and cemented together
b) Heat and pressure
c) Magma solidifies
d) None of the above
How does metamorphic form?
a) Heat and pressure
b) Chunks of old rock get compacted and cemented together
c) Magma solidifies
d) None of the above
What is Crop rotations?
a) The expansion of desert condition
b) Soil conservation method that involves soil contour plowing
c) Soil conservation method involves landing rows of trees in between fields to reduce the force of wind.
d) Soil conservation method involves planting different crops on the same field in different years
When soil has lots of humus (decayed organic matter), how does that affect the fertility of the soil?
a) Humus increases the fertility
b) Humus decreases the fertility
c) The humus is too high that you can not grow crop
d) The humus to too low to grow crops
Which horizon is the darkest in color and is called topsoil?
a) C horizon
b) A horizon
c) B horizon
d) None of the above
What human practices can exposes soil to wind and wate?
a) Mining
b) Construction
c) Farming
d) All of the above
Horizon C is what layer?
a) This layer contains the topsoil
b) This layer contains the largest and the least-weathered rocks
c) This layer contains the fossils and decay of matte
d) None of the above
What is crop rotation?
a) Planting different crops from one year to the next.
b) Planting the same crop from one year to the next.
c) Planting the same crop in rows one year and in circles the next year.
d) None of the above
Windbreaks are what?
a) Rows of trees between fields to force sunlight and increase growt
b) Rows of trees to increase the water retention for crops
c) Rows of trees between fields to reduce the force of wind
d) All of the above
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