Which of the following best describes the relationship between the number of fire trucks that show up to a fire and the amount of damage done to the buildiing on fire? it is the increased number of fire trucks that show up to a fire that causes greater damage to a building it is a spurious correlation; a third variable, the size of the fire (larger fires) causes both (1) more fire trucks to come to put out the fire and (2) the increased damage to the building All of the above