The property of equivalence is not maintained on the Mercator projection, making Greenland and South America appear similar in size. The inset map shows that South America is actually about 15 times larger than Greenland.
Structural formulas of two glycosides. (a) Methyl β-\scd-glucopyranoside. (b) Lactose, 4-O-β-\scd- galactopyranosyl-\scd-glucopyranose; the wavy bond indicates that the group may have various orientations in space.