Why can and rsquot we breathe the oxygen from the earths crust?

Do unicellular organisms need water? How is biogas used burning to heat water and produce steam from heating systems? Does salt kill ground moss? What does the green dot mean? What type of asexual reproduction is found in paramesia? What is the distance from the north pole to the equator in meters? What happens in change up by John Feinstein? What is the land area in square miles of Somalia? Do earth and Mars have different atmospheres? What is the relationship between the shear g and the shear rate? What is the purpose of a dialyzing membrane? What do the three enzymes of the small intestine do? Who said electrons' location depend upon how much energy they have? How do you write phenol? How do our tissues get nutrients? How much gram is a 50 g butter? Burning such as coal or natural gas can increase the carbon dioxide in the atmosphere? What does a Battery cross section look like? What shows that the combustion of methane produces 802 kjmol of energy? How do you use activated bleaching earth for edible oil?