Low areas of earths filled with water correct answersOcean basins
Gradually slipping end of a continent that extends under the ocean correct answersContinental
shelf
Extends from the outer edge of the continental shelf down to the ocean floor correct
answersContinental slope
Flaxseed floor areas from 4000 m to 6000 m below the ocean surface correct answersAbyssal
plain
As blank blank move the ocean floor changes correct answersCrustal plates
New ocean floor is formed correct answersMid Oceanridge
Went ocean plate separate hot blank from earths interior forms new ocean crust process called
blank correct answersMagma
Seafloor spreading
Long narrow steep sided depressions correct answersTrenches
Trenches form at blank blank when one crustal plates sinks beneath the other correct
answersSubduction zone
Example of a trench correct answersMarina trench
MAny blank resources can be found in the ocean correct answersMineral
Petroleum. Natural gas oil Fawesome limestone sand and gravel are examples of correct
answersContinental shelf deposits
Can be mined correct answersEconomically important
Can occur in coastal areas where rivers enter oceans correct answersPlacer deposits
Sulfur iron copper and zinc and silver are examples of correct answersDeep water deposits
Minerals in the open ocean are too difficult and blank to mind correct answersExpensive
Deposit form from minerals dissolved in ocean water correct answersNodules