Concept:In a bar chart, the category with the tallest bar has the highest value or frequency.Explanation:The chart compares different sources of energy used for cooking.Each source has a bar whose height represents how many households use it.The taller the bar, the more popular that source of energy is in the community.Kerosene has the longest bar among all the sources shown.Therefore, kerosene is the most commonly used source of energy for cooking in the community.Answer:B. Kerosene
