Which statement best describes a negative effect of human activity on Africa’s waterways? Dams have changed river flows, which has led to erosion.
The use of rivers to water crops has led to droughts.
Population growth has led to the destruction of rivers.
The use of river transportation has harmed water quality.

When does a metropolitan area become a megalopolis?

Saade, morin, and thomas (2012) describe critical thinking as the mental processes of discernment, analysis, and evaluation applied to information in order to achieve a logical final understanding and/or judgment. describe your approach to breaking down information into component parts to better understand the characteristics of a statement, concept, or problem. how might outlining to develop understanding? how do you know when to reach beyond previous experience and seek out other sources of information to enhance your understanding of the work in front of you? (this response does not require research support.)

Explain the events that led to the iranian revolution and the following iranian hostage crisis. how was the united states involved with iran? describe the arab-israeli conflicts of the 20th century. be sure to include specific military interventions, peace agreements, and the ultimate reason for conflict.