Which graph best demonstrates the general relationship between mass and temperature, similar to the trend of thermal energy absorbed by your sand and water samples? A graph with vertical axis Temperature and horizontal axis Mass has a downward sloping straight line from 1 3 to 3 1. A graph with vertical axis Temperature and horizontal axis Mass has a flat straight line from 1 2 to 3 2. A graph with vertical axis Temperature and horizontal axis Mass has an upward sloping straight line from 1 1 to 3 3.