Which timeline shows the correct order of contributions made to the discovery of DNA?

Which of the following is an example of units for speed

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf