Types of Soil
Horizons
Weathering
Chemical weathering
madison failed us
100
What does the texture of soil depend on?
sand, silt, and clay
100
how many soil horizons are there?
3
100
water freezing in cracks
What is ice wedging?
100
carbonic acid
an acid most commonly found in soda that makes it bubble is______
100
idk
why did she not answer the questions she wrote?
200
What what effects soil profiles?
slopes and humus
200
A,B, and C
what are the names of the soil horizons?
200
it helps because its roots cause weathering
how do trees help weathering
200
oxidation
what occurs when material such as iron is exposed to oxygen and water
200
idk. she is blonde
why didnt she write any questions?
300
there are 3 soil _______, A,B,and C
horizons
300
loss of minerals to the next lower horizon
What is leaching?
300
clover
What plant first grows on rock?
300
chemical
______ weathering occurs when water, air, and other substances react with minerals in rocks
400
how many main soil groups are there?
9
400
A
which horizon is the most weathered?
400
water and nutrients
plant roots grow into cracks to find ____ and ____.
400
granite rock
when carbonic acid comes in contact with this type of rock chemical weathering occurs
500
________ weathering is slower in areas where there is little rainfall.
chemical
500
bedrock
What is on the bottom of the C horizon?
500
Mechanical
What kind of weathering is ice wedging?
500
acid
some roots and plants give off _______ can disolve minerals in rocks
M
e
n
u