Some articles on soil:
... Soil is a natural body consisting of layers (soil horizons) that are primarily composed of minerals which differ from their parent materials in their texture ... Soil is the end product of the influence of the climate (temperature, precipitation), relief (slope), organisms (flora and fauna), parent materials (original minerals), and time ... In engineering, soil is referred to as regolith, or loose rock material this is the 'drift deposit' lying on top of the 'solid geology' ...
Famous quotes containing the words profile and/or soil:
“Actor: Electrician, a little more this way with that spotlight. What are you trying to do, ruin my profile?
Electrician: Your profile was ruined the day you were born.”
—James Gleason (18861959)
“Africa is a paradox which illustrates and highlights neo-colonialism. Her earth is rich, yet the products that come from above and below the soil continue to enrich, not Africans predominantly, but groups and individuals who operate to Africas impoverishment.”
—Kwame Nkrumah (19001972)