Depends on their relationship now.
Answer:
Map Projections. Advantage: The Mercator map projection shows the correct shapes of the continents and directions accurately. Disadvantage: The Mercator map projection does not show true distances or sizes of continents, especially near the north and south poles.
HOPE THIS WILL HELPFUL TO YOU..
ALL OF THE ABOVE! All include human activity
<span>Key topics of chapter 15???
</span>