on hills cookers are used for cooking food. why?
Kindly refer to the similar link :
https://www.meritnation.com/ask-answer/question/it-is-difficult-to-cook-food-on-hills-give-reason/states-of-matter/8775317
https://www.meritnation.com/ask-answer/question/it-is-difficult-to-cook-food-on-hills-give-reason/states-of-matter/8775317