What two companies built the transcontinental railroad? The rail line, also called the Great Transcontinental Railroad and later the “Overland Route,” was predominantly built by the Central Pacific Railroad Company of California (CPRR) and Union Pacific (with some contribution by the Western Pacific Railroad Company) over public lands provided by extensive US land grants. Where […]
How did climate change affect the early peoples migration?
How did climate change affect the early peoples migration? Climate Change Some of the biggest human migrations coincided with major changes in climate, according to a new analysis. Researchers say early humans set out in search of climates where more food was available. And some populations stayed put in certain locations because barriers like glaciers […]
Is resonant frequency the same as natural frequency?
Is resonant frequency the same as natural frequency? When an oscillator circuit is driven with a periodic signal, the current and voltage will oscillate at the same repetition rate as the driving signal. In the limit where the damping constant is zero, the resonant frequency equals the natural frequency and there is no dissipation of […]
What are the consequences of high population growth?
What are the consequences of high population growth? Environment Rapid Population Growth Leads to Environmental Damage: Scarcity of land due to rapidly increasing population pushes large number of people to ecologically sensitive areas such as hillsides and tropical forests. What are the negative effects of fast population growth in the Philippines? “The large number of […]
Which age group have the highest rates of victimization?
Which age group have the highest rates of victimization? Overall violent crime victimization rates were about the same for juveniles ages 12-17 (34.0 per 1,000) and young adults ages 18-24 (35.2 per 1,000); rates for both age groups were above the rate for adults ages 25 & over. The rate of serious violent crime was […]
How does Dickens critique social class in A Christmas Carol?
How does Dickens critique social class in A Christmas Carol? Dickens criticized the large divide between the rich and poor in British society, where the wealthy were only interested in their financial gain and the poor ended up in workhouses or debtor’s prison. As mentioned before, Dickens disapproved of the cruel treatment of children. How […]
How did gold and salt impact Africa?
How did gold and salt impact Africa? The people who lived in the desert of North Africa could easily mine salt, but not gold. They craved the precious metal that would add so much to their personal splendor and prestige. These mutual needs led to the establishment of long-distance trade routes that connected very different […]
What are the factors affecting the changes in evolution?
What are the factors affecting the changes in evolution? Construct an explanation based on evidence that the process of evolution primarily results from four factors: (1) the potential for a species to increase in number, (2) the heritable genetic variation of individuals in a species due to mutation and sexual reproduction, (3) competition for limited […]
What does the Constitution say about term limits?
What does the Constitution say about term limits? At the federal level, the 22nd Amendment to the United States Constitution limits the president of the United States to two four-year terms. State government offices in some, but not all states, are term-limited, including for executive, legislative, and judicial office. Do term limits require constitutional amendments? […]
What were the long term impacts of the transatlantic slave trade on African societies?
What were the long term impacts of the transatlantic slave trade on African societies? The size of the Atlantic slave trade dramatically transformed African societies. The slave trade brought about a negative impact on African societies and led to the long-term impoverishment of West Africa. This intensified effects that were already present amongst its rulers, […]