Thermal pollution is when the water temperature goes from one extreme to another whether cold to hot or hot to cold, so I would say B.
Answer:
the beginning growth stage
Improper temperature control is one of the primary causes of illness or diseases as if the temperature is not set right, it could make bacteria grow or expand which is potentially harmful especially if they are to consume food-- if you food is contaminated with harmful bacteria because of improper temperature control, it could cause the food to be contaminated or spoiled, when consumed, it could led the person to have food poisoning.
Polyploidy is the term that describes the chromosomal abnormality of having extra chromosomes.