If You Were Seeking a Soil Colloid with a High

question 34

Multiple Choice

If you were seeking a soil colloid with a high capacity to adsorb cationic pollutants, but also with a consistent capacity to do so even as the pH varied form 4.0 to 7.5, which of the following would you choose?

• A)montmorillonite
• B)kaolinite
• C)fine-grained mica
• D)humus
• E)chlorite

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Definitions:

Vehicle-Borne

Pertains to anything that is transported by or carried on a vehicle.

Droplet Contact

A mode of disease transmission via large respiratory droplets expelled when an infected person coughs or sneezes.

Oral Mucosa

The moist lining of the oral cavity, which includes the lining of the mouth and the gums.

Sexual Contact

Any form of physical interaction that is sexual in nature, ranging from touching to intercourse.