Control of Certain Diseases Is Nearly Impossible, Because We Cannot

question 29

Multiple Choice

Control of certain diseases is nearly impossible, because we cannot

• A) eradicate organisms from the soil.
• B) control reservoir animals.
• C) control vector animals.
• D) do all of the above.

---

Definitions:

Septic Tank

A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic treatment.

Contaminated

Subjected to the introduction of pollutants or undesirable substances, making something impure or hazardous.

Porosity

The measure of how much of a rock is open space, which could be filled by liquids or gases.

Igneous Rocks

Geological formations that originate from the solidification and cooling of molten rock materials.