Another example of a slow constructive force is the deposition of sediment at the mouth of a river. There is even another island being formed that should reach above the surface of the ocean in 10,000 to 100,000 more years. Each year the island that is currently over the hot spot (Hawaii) adds new land. This type of volcano forms over an area in the Earth's crust where the crust is very thin and lava consistently makes its way to the surface. These islands have formed over millions of years due to a hot spot volcano. The Hawaiian Islands are a great example of a slow constructive change. Common constructive and destructive forces include volcanoes, erosion, weathering and deposition, and many others.Ĭonstructive Earth processes are changes that add to the surface of the Earth, and some of them take millions of years to occur. Some forces qualify as both a constructive and destructive, in that they harm the existing landscape while simultaneously creating a new one. Destructive forces, as the name implies, destroy or tear down existing formations. Constructive forces are those that work to build or create new formations. The natural forces on the Earth can be categorized into two sections: constructive and destructive. These changes to our Earth can be categorized as either constructive forces or destructive forces. Some of these changes, like the creation of the Grand Canyon, take millions of years to happen, and some of them are catastrophic changes that occur in seconds.
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