Which of the following types of soil has the greatest permeability?
a.
silty
b.
loam
c.
sandy
d.
clay

C. Sand

Explanation:

The soil permiability of soil textures are the following:

Sand  5.0 cm/hour

Sandy loam  2.5 cm/hour

Loam  1.3 cm/hour

Clay loam  0.8 cm/hour

Silty clay  0.25 cm/hour

Clay  0.05cm/hour

So the type of soil that has the greaters permeability is the option C. Sand

sand

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1: most common garden plants prefer loam — soils with a balance of different-sized mineral particles (approximately 40% sand, 40% silt, and 20% clay) with ample organic matter and pore space. however, some plants grow better in sandy soils, while others are well-adapted to clay soils.

2: available water capacity is the maximum amount of plant available water a soil can provide. it is an indicator of a soil's ability to retain water and make it sufficiently available for plant use. available water capacity is the water held in soil between its field capacity and permanent wilting point.

3: it is the same for all living things (plants and animals). it also includes very tiny organisms that our eyes cannot see. they are known as microorganisms, and include viruses, bacteria and fungi.