One human activity that can be said to contribute to an increase in the incidence of mudslides is D. Deforestation.
Mudslides happen when there is a lot of deforestation in an area which is a human activity.
Deforestation leave the top soil exposed because trees no longer anchor it, which leads to rain being able to take soil along.
Find out more on deforestation at https://brainly.com/question/579463.
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