What is more likely to happen if the ice on greenland completely melts?

-greenland will slowly sink while waiting for isostatic rebound to happen

-greenland will rapidly sink

-greenland will slowly rise

-greenland will rapidly rise

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