The volume of gas is reduced by 1/4 of its initial volume at 27k if gamma = 1.4, what will be the new temperature)

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Which sections of the heating curve illustrate this process?

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change