How does the camera obscura differ from a photographic camera? The camera lucida is an optical device which merges an image of a scene and the artist’s hand on paper for tracing. By contrast, the camera obscura is an optical device that projects a realtime image through a small pinhole (or lens) into a darkened […]
How did the United States respond to communist threats in Greece and Turkey?
How did the United States respond to communist threats in Greece and Turkey? Explanation: President Truman, in response to the threat of communist takeovers, particularly in Greece developed The Truman Doctrine. In essence it pledged support to “democratic” governments who were threatened by a communist takeover. Who was a threat to Greece and Turkey in […]
Is the part of the self-concept that involves evaluations?
Is the part of the self-concept that involves evaluations? Communication affects self-concept, which is the relatively stable set of perceptions you hold for yourself, while self-esteem is the part of the self-concept that involves evaluations of self-worth. How does self-concept influence self-esteem? Self-esteem is influenced by internal and external factors. Internally, it is largely how […]
What branch of government is the DOJ under?
What branch of government is the DOJ under? The United States Department of Justice (DOJ), also known as the Justice Department, is a federal executive department of the United States government tasked with the enforcement of federal law and administration of justice in the United States….United States Department of Justice. Agency overview Jurisdiction U.S. federal […]
What happened after the Han Dynasty fell?
What happened after the Han Dynasty fell? When the Han Dynasty collapsed in 220 CE, no one was powerful enough to reunify China under a single emperor. The result was the period of the Three Kingdoms, which lasted until 280 CE, when the Jin Dynasty took over. These three kingdoms, Wei, Shu, and Wu, battled […]
How are a constitutional monarchy and republic similar?
How are a constitutional monarchy and republic similar? Whereas constitutional monarchies often took centuries to slowly wrest control of the government from the monarchy, its more radical counterpart, the republic, denies the very existence of any monarchy and places all of the power to govern in the hands of the people. What type of government […]
What is a similarity between the governments of Iran and Saudi Arabia?
What is a similarity between the governments of Iran and Saudi Arabia? The only similarity between the three countries is that they all offer citizens some degree of voting rights, but these rights vary among the nations. Israel and Iran allow both men and women to vote, while Saudi Arabia restricts voting to men only. […]
What is a perceptual region example?
What is a perceptual region example? A perceptual region is based on the shared feelings and attitudes of the people who live in the area. Perceptual regions reflect the cultural identity of the people in the region. The Big Apple (New York City), the Midwest, the South, and New England are other examples of perceptual […]
What does the Federal Reserve do?
What does the Federal Reserve do? The Federal Reserve System in the U.S. conducts the nation’s monetary policy and regulates its banking institutions. The system is comprised of 12 regional reserve member banks, each of which focuses on its particular geographical zone, in coordination with the New York Fed. How do banks get money from […]
How do soldiers see in the dark?
How do soldiers see in the dark? Today, U.S. troops wear large goggles to see in the dark. The devices use infrared sensors to pick up on heat sources, painting an image of a person’s surroundings based on radiated warmth. Night vision goggles (NVG), while effective, are expensive, bulky, and require electrical power to operate. […]