____________________ occurs when the productive potential of topsoil falls by 10% or more because of extensive drought and degrading human activities.

Name: ____________________ occurs when the productive potential of topsoil falls by 10% or more because of extensive drought and degrading human activities.
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The Answer of ____________________ occurs when the productive potential of topsoil falls by 10% or more because of extensive drought and degrading human activities.

____________________ Occurs When the Productive Potential of Topsoil Falls by 10