WILL MARK BRAINLIEST IF CORRECT What is the first step of seafloor spreading?

A crack forms in oceanic crust.
Molten rock rises up through oceanic crust.
Molten rock solidifies at the center of the ridge.
New material pushes older rock away from the ridge.

100% sure it's A, a crack forms in oceanic crust

Explanation:

It happens in the following order-

1. a crack forms in oceanic crust

2. molten rock rises up through oceanic crust

3. molten rock solidifies at the center of the ridge

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