Who first studied the stars? Galileo Galilei was among the first to use a telescope to observe the sky, and after constructing a 20x refractor telescope. Which five scientists are or were astronomers? The Most Famous Astronomers of All Time The Most Famous Astronomers of All Time. Karl Tate, SPACE.com. Claudius Ptolemy. Bartolomeu Velho, Public […]
How did humans change from hunting and gathering to farming?
How did humans change from hunting and gathering to farming? The Neolithic Era began when some groups of humans gave up the nomadic, hunter-gatherer lifestyle completely to begin farming. It may have taken humans hundreds or even thousands of years to transition fully from a lifestyle of subsisting on wild plants to keeping small gardens […]
What was the strength of the Haiti earthquake on the Richter scale?
What was the strength of the Haiti earthquake on the Richter scale? On the 12 January 2010 an earthquake measuring 7.0 on the Richter scale struck Haiti. The epicentre was just 25 km west of the capital Port-au-Prince and the focus was only 13km below the surface. What was the deadliest earthquake ever? Largest earthquakes […]
How are fossils preserved?
How are fossils preserved? The dissolved minerals crystalise and produce rocks in the shape of the animal or plant. This is the most common type of fossil preservation and examples include teeth, bones, shells and wood. Natural casts form when flowing water removes all of the original bone or tissue, leaving just an impression in […]
What industry is Carnegie known for?
What industry is Carnegie known for? steel industry Why did Carnegie choose the steel industry? Carnegie’s business was right in the middle of a rapidly changing America. Carnegie may have been known as a successful man of business but he was also an innovator. In a desire to make steel more cheaply and more efficiently, […]
How did the United States respond as Europe moved toward war in the 1930s?
How did the United States respond as Europe moved toward war in the 1930s? In the 1920s and 1930s, how did the United States respond to acts of aggression in Europe and Asia. Small groups of Americans responded to particular acts of aggression (such as the invasion of Ethiopia and the Spanish civil war) with […]
What is a unique about the experimental design of an observational study?
What is a unique about the experimental design of an observational study? What is unique about the experimental design of an observational study? a. Data is collected and analyzed for patterns. Experimental subjects are left free of manipulation. What is unique about an experimental design? True experimental designs require random assignment. Control groups do not […]
Which of the following is a reason to submit a letter of recommendation?
Which of the following is a reason to submit a letter of recommendation? A letter of recommendation is written to give a personal insight on the candidate (for collage, career, etc.) Colleges aren’t concerned with a student’s popularity, and can get the students test scores and class rank on their transcripts. What is the purpose […]
Which of the following is the best definition of social interaction?
Which of the following is the best definition of social interaction? A social interaction is an exchange between two or more individuals and is a building block of society. Social interaction can be studied between groups of two (dyads), three (triads) or larger social groups. By interacting with one another, people design rules, institutions and […]
What is a theoretical perspective in sociology?
What is a theoretical perspective in sociology? A theoretical perspective is a set of assumptions about reality that inform the questions we ask and the kinds of answers we arrive at as a result. Often, sociologists use multiple theoretical perspectives simultaneously as they frame research questions, design and conduct research, and analyze their results. What […]