Native farmers in a small town are clearing massive areas of trees to plant crops. this is an example of

desertification
sharecropping
deforestation
urbanization

The correct answer is deforestation.

Permanent clearing of forest by various methods is called deforestation. The cleared land is used for the various purposes such as planting crops, making roads, buildings. The destruction of forest trees on mass scale is carried out in various ways such as burning of trees and cutting of trees making the land complete barren. After wards barren land is used as per the need of native people.  

d i think its   answer d

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.