Which Practice Both Reduces Erosion and  Prevents the Spread of Pests

question 102

Multiple Choice

Which practice both reduces erosion and  prevents the spread of pests and plant diseases? 

• A) contour farming 
• B) row cropping 
• C) strip cropping 
• D) terracing

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Definitions:

Specialized Cells

Cells that have developed unique characteristics and functions through the process of differentiation.

Absolute Threshold

The minimal intensity of a stimulus that is required to be detected 50% of the time.

Difference Threshold

The smallest difference in stimulation that can be reliably detected by an observer when two stimuli are compared; also called just noticeable difference (jnd).

Sensory Sensitivity

A condition where individuals are extremely responsive to environmental stimuli such as sounds, lights, and textures.