What gas is being released in part?

What joint is used when you turn the sole of foot medially? How many cubic yards in a 40'x80'x5'' slab? Has Voyager 2 reached Pluto? How will signaling of a neuron be affected if the voltage-gated sodium channels open at a more negative membrane potential? Where do organisms get the monomers to make lipids? Where is the coolest air found inside an oven? WHAT IS Neptune POSITION IN SOLLAR SYSTEM? How do you extract raw materials? What chemical is released when you exercise? What is the karyotype for a normal human female? What are vains in plants called? Why she is important? What forms when plates collide and one plate is pushed up over another plate? The main excretory product in human beings is? What is the colour bit inside the marble and how is it made? What is it called caused by the burning of fossil fuels that release gases into the Earth's atmosphere which absorb and emit infrared radiation thus reducing the release of heat to space? How many ecozones are there? How many quarts are in 400 ounces? What are the four elements of artistic composition? Which suspension would contain red blood cells that would appear wrinkled and reduced in volume?