Question answer of computer

Your question:high schoolcomputers and technology 50+25 ptsharry needs to use a type of graph in a spreadsheet to show variations in data over a specific period. what type of graph or chart is most useful for this purpose? a is particularly useful for showing variations in data over a specific period. our teams answer: bar graph : )our teams aim's to and we are happy to ! if the answer is wrong notify us quickly for we can fix it quickly! : )-experimentsdiy

Answer (a) with a mirror like surface;