How are the West African kingdoms of Ghana and Mali similar? Ghana and Mali were similar in that each kingdom was located in West Africa, and their power depended on control of the gold-salt trade routes stretching east to the Sahara Desert. They were different in that Ghana was an older polity, having collapsed before […]
What factors that leads to xenophobia?
What factors that leads to xenophobia? The most obvious motives advanced for the socio-economic causes of Xenophobia are unemployment, poverty and inadequate or lack of service delivery which are mostly politically attributed. Unemployment constitutes a social problem pertaining to a situation of not having a job. What are the factors contributing to xenophobia in South […]
What is Mr Dussel personality?
What is Mr Dussel personality? Albert Dussel His real name is Fritz Pfeffer, but Anne calls him Mr. Dussel in the diary. Anne finds Mr. Dussel particularly difficult to deal with because he shares a room with her, and she suffers the brunt of his odd personal hygiene habits, pedantic lectures, and controlling tendencies. What […]
Which experiment involves classical conditioning?
Which experiment involves classical conditioning? conditioning the salivation response in dogs Who gave the experiment on classical conditioning? Like many great scientific advances, Pavlovian conditioning (aka classical conditioning) was discovered accidentally. During the 1890s, Russian physiologist, Ivan Pavlov was researching salivation in dogs in response to being fed. Where is classical conditioning used today? Whenever […]
Is depression more common in females than males?
Is depression more common in females than males? About twice as many women as men experience depression. Several factors may increase a woman’s risk of depression. Women are nearly twice as likely as men to be diagnosed with depression. Depression can occur at any age. What percentage of people who are diagnosed with major depressive […]
Why are all resources scarce?
Why are all resources scarce? Even free natural resources can become scarce if costs arise in obtaining or consuming them, or if consumer demand for previously unwanted resources increases due to changing preferences or newly discovered uses. What do economists mean by scarcity? What do economists mean by scarcity? Economists mean that unlimited wants exceed […]
What relationship did Henrietta Swan Leavitt Discover about Cepheid variable stars that made them useful as standard candles for measuring distances?
What relationship did Henrietta Swan Leavitt Discover about Cepheid variable stars that made them useful as standard candles for measuring distances? Leavitt showed that her variable stars, called Cepheids, could tell astronomers their true luminosity over the course of their cycle, no matter how bright they appeared from Earth. So, if a distant galaxy contains […]
Why did the US join NATO after ww2?
Why did the US join NATO after ww2? NATO was the first peacetime military alliance the United States entered into outside of the Western Hemisphere. Truman to assert that the United States would provide economic and military aid to both countries, as well as to any other nation struggling against an attempt at subjugation. What […]
Why did Philip II have an advantage over Greek city-states?
Why did Philip II have an advantage over Greek city-states? Why did Philip II have an advantage over the Greek city-states? He unified the Greek city-states. He conquered the Persian Empire. He destroyed Macedonia’s military. How was Philip able to conquer most of Greece? How was Philip II able to conquer Greece? He organized his […]
How did improved irrigation practices help farmers?
How did improved irrigation practices help farmers? In areas that have irregular precipitation, irrigation improves crop growth and quality. By allowing farmers to grow crops on a consistent schedule, irrigation also creates more reliable food supplies. Ancient civilizations in many parts of the world practiced irrigation. Did ancient Japan have irrigation systems? The basic features […]