Answer:
Where the pacific and Atlantic oceans each meets land.
Explanation:
A margin or boundary is the edge of a plate. in this case, a continental margin is the edge of the continent, where it meets with the oceanic plate.
Contour lines do not cross one another because each line represents a different elevation on a topographic map.<span> </span>
Answer:
Europe Asia Africa North and South America
Explanation:
B. plateau is the only landform anyways