Which of the following is a true statement about running water such as streams or rivers? A. they create interoceanic currents. B. They are effective agents of erosion.
C. They are more saline than seas or oceans.
D. They affect the pressure of the atmosphere

Only one reactant yields 2 or more products. meaning you will only have 1 product and it will break down into 2 or more products. eg. h2o -> h2 + o2

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.