the layer where you find the most decomposers

sandy top soil is this because water drains quickly through the spaces between the sand particles

the best type of soil in which to grow plants

the loose layer of plant remains that accumulates on the ground

what bacteria and fungi in soil are called, they also break down and digest the remains of dead organisms

soil formation begins with the weathering of this

soil that is rich in humus has high

when earthworms add their wastes to the soil, then die and decay in the soil, they are contributing to the formation of this

these mix the soil and make humus

also known as the topsoil and where you find humus

where you find partly weathered rock

the layer of soil that contains fine soil particle sand minerals but little organic matter

the volume of air and water that soil can hold

larger soil particles have

smaller soil particles have

more permeable than sand

more permeable than clay

less permeable than sand and gravel