Answer:
Drought in the Sahel in the 1970s and 1980s made it look like the desert was expanding, because the reduction of rainfall at the desert margin (the Sahel) caused a reduction in vegetation. Warm, moist air rises near the equator, then cools and condenses its moisture, which falls as rain or snow
Some criticisms that have been leveled at psychodynamic theories of personality are the reliance on early childhood familial experiences that come up later in life and too much emphasis on explaining how sexuality messes with behaviors.
The correct answer is government owned railroads
Explanation: Rail transport is carried out on railways to transport people and goods. The goods transported in this mode are of low added value and in large quantities as: ore, agricultural products, fertilizers, coal, petroleum derivatives.
Answer:
Directionality
Explanation:
Directionality can be a problem in correlational research. This can occur when a study shows that two variables are related, but the researcher has a hard time understanding which variable is the cause and which is the effect. In this example, the researcher might not know whether people who are more exposed to violence become more violent, or whether violent people are more likely to seek out violence in media.
