How has desertification negatively impacted the people of Africa? A
by contributing to significant declines in air quality

B
by reducing access to profitable coal reserves

C
by reducing the amount of land available for farming

D
by contributing to the pollution of limited water supplies

Arecent challenge to the european union created by a member state is?

Characteristics of substistence farming include all of the following except a. the use of pesticidesb. shifting cultivation c. farmers that stay in one placed. the lack of tractors and machinery

Atherapist at a free university clinic treats elementary school children with behavior problems who are referred by a social service agency. she is also a doctoral candidate who proposes using data she has and will collect about the children for a case-based research project. describe the type of parental permission which is required in this case?