The Atlantic, Indian, and Arctic Oceans lack subduction zones. What can you say about how these ocean basins are changing over time?Question 4Select one:they are expanding in sizethey are sinking in elevationthey are shrinking in sizethey are rising in elevation

A subduction zone is formed...

summarize what have learned in Chapter 9 The Oceanic Sedimentary Environment, specifically the topic of The Continental Rise and the Abyssal Plains. (150 words)

The ocean basins and Earth’s continental landmasses have been in their same configuration for all of Earth’s history.Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.aTruebFalse

he Mid-Atlantic Ridge is a 16,000-kilometer mountain chain that travels north to south along the Atlantic Ocean sea floor. It is estimated that it is spreading at a rate of 2–5 cm a year. Based on the evidence, write one letter in each blank to correctly complete the explanation for how the Atlantic Ocean will change over time. Over 1.__________ of years, the sea floor at the ridge will 2.__________ spreading, and the Atlantic Ocean will become a much 3.__________ area than it is today. 1. A. hundreds B. thousands C. millions 2. D. continue E. stop 3. F. smaller G. larger

50. What is a deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle? deep-ocean trench rift valley subduction zone seafloor spreading