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gtnhenbr [62]
3 years ago
15

Why is the youngest rock found near mid ocean ridges

Biology
2 answers:
algol133 years ago
6 0

At mid-ocean ridges, the seafloor is spreading as the plates move away from each other.

Harry Hess said tha thte continents move over time but not in a random drifting pattern. Instead the seafloor was spreading at the mid-ocean ridge because the plates were moving away from each other. Motion of t heseafloor in a conveyor belt fashion explains the phenomena of the youngest rocks being found only at the mid-ocean ridges, and rockes getting progressively older as you move away from the ridge.

I hope this explains :)

galina1969 [7]3 years ago
3 0
New rock is formed near the mid-oceanic ridge as oceanic plates diverge or separate from each other. Hot rocks rising from the asthenosphere melt from decompression as they rise, filling the fault and forming new basaltic oceanic crust. As new crust is added, older crust is pushed away. Therefore, the further away from the mid-oceanic ridge, the older the rocks.
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(1)

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Growth factors signal the growth of a cell. They usually bind receptors on the cell surface and indicate how the cell should grow and divide base don environmental stimuli. An example is during regular exercises. Growth factors indicate that the muscle cells should divide regularly and grow bigger to accommodate the higher stress in the muscles from the workout. This is how your muscles grow bigger and stronger with more exercise.  

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Differentiation of cells occurs through the silencing of some gene allowing the cell to produce particular proteins (and other biomolecules) that align with its functions in the body. This especially critical in multicellular organisms.  An example is that while al the cells in your body have the same DNA, some cells differentiate into liver cells while others into lungs, stomach, heart, and etcetera.  

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