Radon is the heaviest naturally radioactive

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

The air that we breath is made mostly of which gaseous molecule

Notice how they put future which of the clouds shown would indicate a possible future rain storm? a) b) c) d)