Answer :
Final answer:
Microwave ovens are commonly associated with uneven heat distribution due to the nature of microwaves creating hotspots within the food being heated. Hence the correct option would be option b.
Explanation:
The type of oven often noted for having uneven heat distribution is the microwave oven. This uneven heating occurs because microwave ovens use microwaves to heat food, which can result in hotspots due to the way the microwaves interact with the food. In contrast, convection ovens use a fan to circulate hot air for more even cooking, while traditional ovens rely on the natural convection currents of rising hot air but can still have some hot and cold spots.