What does the subscript 3 stand for in Al2O3?

Is global warming due to greenhouse gases? How do you balance h202 - h2o o2? What are the coordinates of a country at 85 degrees south and 10 degrees east? How long does it take to acclimatize to 60 degree pool water? Examples of objective description sentence? What is the verb for clear? What region had a harsh climate has a very fertile farmland and used irrigation extensively to increase producton? Is Acrux a true Binary star? The four major parts of reconsilation and one thing about it? Sand has small grains and holds very little water? What problem might you encounter if you tried to show energy flow through an ecosystem using a biomass pyramid? Who is Saturns spouse? How does the Golgi complex structure affects its function? What is crude iron? Is a wild flower a decomposer? Why is 1 g not equal to roughly 1 liter while 1 g equals 1000 mg and 1 liter equals 1000 ml ie why is 1 kg which equals 1000 g equal to roughly 1 liter should 1 gram not be equal to roughly 1 liter? Where are The Ring of Fire is where many volcanoes occur because the plate is subducted in nearly every region? What is promethium used in? What would a scientist use to test the pH of a substance? Slogans for the planet saturn?