In a reverse fault, the
a. hanging wall goes up relative to the footwall
b. hanging wall goes down relative to the footwall
c. hanging wall and footwall remain in the same position vertically
d. two sides of the fault slide past each other horizontally
e. two sides of the fault move away from each other

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