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10 questions
Soil is made of
air
rocks
decomposed leaves
all of these
True or False: Soil contains only non-living things.
True
False
Which is not one of the layers in the soil profile?
bedrock
subsoil
midsoil
topsoil
Which of the following causes rocks to break down into smaller pieces?
weather
water
time
all of these
In which layer of soil would you plant flowers and vegetables?
topsoil
subsoil
bedrock
rock fragments
True or False: Sand looks and feels the same wherever you go.
True
False
a dark, nutrient-rich substance found naturally in soil that is made from decomposed plant and/or animal matter
bedrock
mineral
humus
bedrock
subsoil
topsoil
humus
a substance that is found naturally in the Earth and that does not contain plant or animal matter. Gold is an example
topsoil
mineral
humus
bedrock
What layer is below topsoil?
humus
bedrock
subsoil
midsoil
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