Do someone know the long term effects of WTO(World Trade Organizations), NAFTA( North American Free Trade Agreement) and NGO (Non-government Organisation? If yes, can list it out.​

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