1. In some places, hot water from underground can shoot up into the air through a hole in the ground. When this happens, the ground surrounding the water increases in temperature. What happens to the molecules in the ground
when the temperature of the ground increases?
a
More heat molecules combine with the molecules in the ground.
b
The energy of the molecules in the ground decreases.
с
The energy of the molecules in the ground increases.
d
The cold energy of the molecules in the ground decreases.