Which of the Following Types of Compounds Are Narrow-Spectrum Insecticides

question 1

Multiple Choice

Which of the following types of compounds are narrow-spectrum insecticides?

• A)carbamates
• B)chlorinated hydrocarbons
• C)organic phosphorus compounds
• D)None of the above is a narrow-spectrum insecticide.

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Definitions:

Groundwater Flow

The movement of water through the subsurface soil and rocks, primarily driven by gravity and pressure differences.

Permeability

Permeability is a measure of the ability of a porous material (such as rock or soil) to allow fluids to pass through it.

Perched Water

Groundwater that sits above the main water table and generally is underlain by a layer or lens of impermeable rock that blocks the downward flow of groundwater.

Water Table

The level below which the ground is saturated with water, marking the boundary between the unsaturated zone above and the saturated zone below.