(Will Mark BRAINLIEST & 50pts) Where are mid ocean ridges formed?

a. Where two oceanic plates move apart
b. Where two continental plates move apart
c. Where two continental plates push together
d. Where an oceanic plate subducts under a continental plate

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