The right option is; a. soil degradation
Soil degradation most plausibly accounts for the reduction in corn yield.
Soil degradation is an environmental problem in which the condition or quality of soil is reduced due to its improper use usually for agricultural or industrial purposes. Soil degradation can reduce the physical, chemical and biological quality of soil. Soil degradation results in loss of organic matter, soil contamination, fertility decline, and soil acidity or alkalinity which can greatly affect agricultural productivity.
The kind of front that is most likely to arrive soon from Philadelphia is: cold front from the north.
<h3>What is a front in Geography?</h3>
This is a weather system that is known to cause a separation between two various types of air.
The front is usually known to carry air that has one one to be denser than the other.
Read more on geography here: brainly.com/question/12790602
