Mendeleev was the first to organise elements based on their similarities *
True
False

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

The answer is 225 miles per 4.5 hours. hope this ; )