The Primary Characteristic of Subsoils That Accounts for the Ability

Multiple Choice

The primary characteristic of subsoils that accounts for the ability of ground circulating heat pumps to moderate temperatures in houses in both summer and winter is _____.

A) the high redox potential of the soil
B) the high heat of the evapotranspiration
C) the ready conduction of heat in the soil
D) the high specific heat of the soil
E) the low oxygen content of the subsoil