Below are 2:1 clays, except ______.

This group of bacteria get their energy from compounds other than carbon (like nitrogen or sulfur) and include species important in nitrogen and sulfur recycling.

This group of bacteria cause disease in plants and a good example are bacteria blights.

These organisms give soil its “earthy aroma”

This category of protozoa is larger than flagellates and can be distinguished from other protozoa by their slug-like properties and pseudopodia or “false foot”

These organisms play an important role in nutrient cycling by feeding intensively on bacteria. As they eat bacteria, they release excess nitrogen that can then be used by plants and other members of the food web.

The presence and feeding of these organisms accelerate the decomposition process.

Which among the following is considered as the “ideal” C:N ratio

These organisms can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemosynthesis)

There is a pH where the quantity of + and – charges in the soil are equal such that the net charge is zero. This is called ________.

It is the ability or capacity of the soil colloid to” sorb” anions that can be exchanged with anions in solution.

The ability or capacity of a soil colloid to “sorb” cations that can be exchanged with cations in solution

It is the proportion of the cation exchange capacity occupied by these bases.

How many H⁺ ions are there in 1 mole H⁺?