Why would bacteria in a meteorite from Mars help explain how life acrose on earth?

Is sodium a metaloid? How many amino acids occur in proteins naturally? What volume will 223 mL of a gas at 900 torr occupy at standard pressure? What do receptors trigger? Which of the followin does not describe a type of damaging thunderstorm wind? Is it true at the end of the nineteenth century there were many notable advances in chemical manufacturing which led to the development of new products? List the different types of white blood cells and describe their role in the immune system? What should you do before using pyrotechnic distress flares? What three things must occur for differential wind to blow? How do you repair granite table tops? Which limiting factors are associated with s- shaped curves in population charts? What is the name of the 2 processes taking place during photosynthesis? How can you tell if a tidal wave will hit? What does the equator look like? What is a gelatinous complex compound found in ripe fruits and vegitables? Does limestone filter ground water? Are michigans 3 sides surrounded by water? How does the size if a star determine its life cycle? Is there wind in the water cycle? Can lightning storms be predicted?