Answer is b
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The landforms on the east and western part of the continent are very different, with the main reason being that the western part is geologically very active, while the eastern lacks geological activity.
Explanation:
The eastern part of the United States and Canada, or rather the eastern part of the North American continent, is a region that lacks geological activity for millions of years. This region can roughly be divided into two parts, one being dominated by the Appalachian Mountain Range, and the other being the plains. The Appalachians are medium high mountains, being heavily eroded, with smaller slopes, and covered with dense forests. The plains stretch along the coastline, but they are also very wide, and move several hundred of km into the mainland, making big portion of this region flat lowlands.
The western part, on the other hand, is geologically very active. There are several young mountain ranges which are still growing. There is volcanic activity, faults, and plateaus between the mountains. The coastal plains are very small and narrow. Because of the shadow effect, between the mountains there are arid zones where deserts and steppes dominate.
Learn more about the effect of the Appalachian Mountains on the first European settlers brainly.com/question/4977910
#learnwithBrainly
It is called as "Plate Tectonics".
Answer:
Formation of mountains and ocean basins.
Explanation:
Earth is an active planet. It has multiple layers, and in the second layer from the top a process happens that is crucial for pretty much everything that occurs on the surface. This process is the circulation of convection currents in the mantle. Basically, the cooler and denser material sinks while the hotter and less dense material is pushed up.
This process creates constant pressure on the crust, and it is the one responsible for cracking and creating tectonic plates that move around the globe. With the interaction of the tectonic plates and different types of plate boundaries, there are numerous different processes that happen on the surface, with the formation of mountains and ocean basins being some of them.
e aThe mountains form at places where plates collide. One plate moves below the other so the crust near the plate boundary goes up, gradually forming a mountain range. Ocean basins are formed where hee are divergent plate boundaries on land. The crust splits open as the plates move away, a gap is formed which is constantly widening, and eventually ocean waters fill in the spreading gap. Over the course of tens of millions of years, a new ocean will be formed.
