Can someone plss help me with this question!!

If you want to create an electrical current, which situation would produce a solution capable of this

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

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?