i think the best answer for this question is C)
Answer:
Properties of Bar Graphs
Each bar or column in a bar graph is of equal width. All bars have a common base. The height of the bar corresponds to the value of the data. The distance between each bar is the same.
Explanation:
Long-term exposure to polluted air can have permanent health effects such Accelerated aging of the lungs. Loss of lung capacity and decreased lung function. Development of diseases such as asthma, bronchitis, emphysema, and possibly cancer.
Traditional authority
Hope this helps! ^_^
Answer:
Africans passed down their history orally instead of writing it down.
Explanation:
Many African tribes never developed a system of writing on their own, so it was passed down orally.