Which sequence represents the relative ages of these rock formations, from oldest to youngest ?

:calculate the sum of the interior angles of a 13-sided polygon.

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa