Human Activities Like Damming Rivers, Building Seawalls, Tilling Land, Strip

Multiple Choice

Human activities like damming rivers, building seawalls, tilling land, strip mining, refining ores, burning fossil fuels, and disposing of garbage ________.

A) mainly affect the landscape but not the physical environment, weather or ocean
B) have little influence beyond their immediate area of disruption
C) are all inherently evil and must cease at any cost
D) can substantially influence natural systems and geologic processes both locally and globally