It would be constructive, since it creates more than it destroys.
See this article for more information on the Amazon:
http://www.freshwateraquariumplants.com/amazonbiotope/amazonriverfacts.html
its constructive because it was made by land
it is deconstructive
It is both
volcanos and earthquakes are both constructive force and sestructive force. Constructive-makes new land Deconstructive-destroys buildings an kills people and destroys the land
theywereformed by destruive force
constructive
Yes
Volcanoes are thought to be both constructive and deconstructive. They have the ability to create new landforms while destroying other landforms in the process.
destuctive
destructive
Deconstructive.Why? Because it breaks down rocks on Earth's surface. That action would be considered deconstructive because the breaking down of any object is destruction.
banannas