A solid rock near the melting point that contains no water is located below a divergent plate boundary. As the lithosphere above it moves apart, the pressure on the rock is reduced. What will happen

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed