1. Soil The nation that destroys its soil destroys itself. Franklin D. Roosevelt

2.  Which BEST explains why a lake is frozen on the surface but not below the surface.  A. ice floats  B. water freezes at 0 degrees Celsius  C. ice lets light through the water  D. water is clear.

5.  Ground level: Plants grow and animals live here. A thick cover of plants can keep the soil cool and keep it from drying out. Decomposers recycle dead plants and animals into humus.

6.  This is the soaking into the ground of water on the surface.  The fluid moves through pores or spaces between grains of soil.

9.  The ability of body of rock, soil or sediment to allow fluid to pass through it.  Optimum permeability is when there are large and rounded sediments.  The smaller or finer the sediments the slower the movement of fluids.  Clays act as stops for the movement of fluids because the do not have much pore space.