What is the difference between an oxygen molecule and an ozone molecule

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old

If people from georgia have just experienced an extremely cold winter the last couple of months, what would the climate most likely be classified as? polar temperate maritime tropical