Answer:
it is the last one
Explanation:
cause over time the meatl will imit heat and heat up the air around it as it cools down slowly
The initial report of the team formed by PURE may contain findings similar to the processes used in the disinfection of the water. Usual cases of ammonia presence in water are due to chloramine disinfection process. Also, they should also look into the storage of their facility and the end user which may also have a window of contamination.