Carbonic acid produces water and carbon dioxide help

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

Which metal exist in liquid state and can be cut with knife ?

Consider the story you just read. all but one of the choices below indicate that something is living.