Which type of graph is best used to show how a measured quantity changes over time? Box and whisker plot
Line graph
Circle graph
Histogram

there is none because earth is stationary and flat.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.