Where do you bump into argon in everyday life?

What are the three carbon molecules when glucose is broken in half during glycolysis? Is bromine natural or man man made? A cookbook says that yeast works most quickly with water at a temperature of 20 c to 30 c? Why do endothermic reactions need additional energy to keep going while exothermic reactions don't? How much is five dollars in grams? What is ruby crystal? If the Thomson model of the atom had been correct Rutherford would have observed? How much would the boiling point of water increase if 4 mole of sugar were added to 1 kg of water? Which of the following molecules has a polar covalent bond? Does yeast grow better in bases or acids? Binary acids contain hydrogen and how many other elements? What can be deduced about the electronegativity of hydrogen relative to that of nitrogen? Is iron (II) sulfate a gas? Chemical equation for perchloric acid reacts with aqueous rubidium hydroxide? What oxidation number does an atom have if it loses two electrons when bonding? Does a penny conduct electricity? Why does the candle relight when you put burning match near the smoke? How the periodicity of properties dependent upon the number of protons in an atom? Where do glass made of? What is the formula for Nu?

Where do you bump into argon in everyday life?