Why are the tops of mountains round, and the soil often rough, rocky, and thin in many places in the northeast? the early settlers abused and overused the land. glaciers scoured the landscape, grinding the high places and mixing the soil with rocks. the native american population purposely destroyed the countryside when they discovered the white settlers would not leave. during the past three centuries, the urban dwellers in the area have appropriated the fine soil for the cities.

The correct answer is B)Glaciers scoured the landscape, grinding the high places and mixing the soil with rocks.

Explanation:

The Appalachian Mountains ( better known as the Appalachians), are located in Northeast of America and they are a system of mountains which are believed to be first formed roughly 480 million years ago during the Ordovician Period.

new communications technology has affected the way social movements are organized because nowadays, social movements rely on social networks and the media to get different people with a similar way of thinking in contact, and thus, get them to mobilize for a greater cause.

individuals only participate in collective action when they feel identified with it. is in this aspect that social media becomes relevant, because it guarantees communication among all individuals and organizes the social actions that are going to be carried out, i.e., the social movements.

in addition, being covered by the media is important to validate the message and make it relevant in the social agenda, as well as to reach more people who can share interests, appealing to public sympathy for their cause.

in conclusion, it is by social networks and social media that social movement is given birth; by connecting different individuals with similar ideas and organizing them to mobilize for a greater cause.