A new volcanic arc forms at the site of the easternmost transform, and many complications develop in SE Asia (Philippines, etc.) because of transforms turning into arcs, and various subduction-flips as thick (plateau-type) ocean crust refuses to subduct. A new subduction zone develops north of Australia.
Transcript of Causes and Effects of European Exploration in America. Some basic effects of Europeans coming to North America are that the Native Americans caught new diseases which included smallpox, influenza, measles, and chicken pox. Explorers used superior fire power, like single shot muskets, to conquer natives.
Sub-surface mines are dangerous for miners as tunnels can collapse and built-up gas can explode. They also create subsidence, meaning that the ground level lowers when the coal is removed. Surface mining, or strip-mining, causes erosion and water pollution and decreases biodiversity by reducing plant and animal habitats.