6. Would you call this a physical map, a political map, a special-purpose map, or a combination of all three? Why? please i really need help

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

Choose the correct chronological or of the time periods

This is name given to the power of a legislative branch of government to vote a bill into law even though it has been vetoed by the head of the executive branch.