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According to Hess's theory, what might happen if the magma under a mid-ocean ridge cools?

•The magnetic stripes might reverse direction.

•The deep-ocean trench might become deeper.

•The crust at the ridge might form more quickly.

•The plates on either side of the ridge might stop moving,

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Answer:

The plates on either side of the ridge might stop moving

Explanation:

Rear Admiral Harry Hammond Hess proposed a theory that was named after him, he stated that oceans rises from their centres, with molten material (basalt) moving up from the Earth's mantle along the mid ocean ridges. The purpose of this theory is to give explanation to how the continents could actually drift, and the planet on either side of the rigde might stop moving.

Most noble for his theories on sea floor spreading, especially the correlation between island arcs, seafloor gravity anomalies, and serpentinized peridotite, proposing that the convection of the Earth's mantle was the driving force behind this process.

According to Hess's theory, the magma under a mid-ocean ridge cools is :

D) The plates on either side of the ridge might stop moving.

Hess's theory

  • According to Hess's theory, if the magma under a mid-ocean ridge cools then the plates on either side of the ridge might stop moving.
  • He proposed a theory that the ocean was rising from its center and that molten material (basalt) from the Earth's mantle was rising along the Mid-Atlantic Ridge.
  • The purpose of this theory is to explain how  continents can actually drift and planets on either side of the ridge can stop moving.

Thus, the correct answer is D.

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https://brainly.com/question/13781694?referrer=searchResults

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