Question

4.The continents are placed above the ocean floor. Give reasons.

Answer 1

Explanation:

This increase is linked to the continental crusts rising above the oceans. ... As Earth's land plates began to shift and move, less dense rock may have been forced upward, shaping the continents we see today on Earth's crust.

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Answer 2

The continents are lighter and forms above the ocean floor that is denser in composition.

Explanation:

• The earth's made of plate tectonics and its due to which the lithosphere is divided into upper and lower the upper parts of the lithosphere are continental plates.

• The crust which is lighter that is Pangea supercontinent and stays on the heavier oceanic plates that are Panthalassa superocean.  

• The continents are formed away from the mid-oceanic ridge are the oldest and those formed near are the youngest this process involves the seafloor spreading.  

• The continents rise about 2.5 miles above the ocean floor and most of the time are convergent plate margins. Hence they are arranged according to the geologic composition of the earth.

Learn more about the continents are placed above the ocean floor.

• brainly.in/question/18722639 answered by pradnyapattewar7.