What is the prime meridian?

Question

BlackTom AI · Accepted Answer

The question asks: What is the prime meridian? 
Option 1: Line of 0 degrees longitude. This directly matches the definition of the prime meridian, which is the reference line for longitude at 0° that runs from the North to the South Pole through Greenwich. 
Option 2: Line of 0 degrees latitude. This describes the equator, not the prime meridian. Latitude lines measure angular distance north or south of the equator, while longitude lines measure east or west from the prime meridian. 
Option 3: The origin of a coordinate system. While the prime meridian is a foundational reference in the geographic coordinate system, saying it is “the origin” can be misleading because longitude has 0° at the prime meridian, but latitude’s origin is the equator. In many coordinate frameworks, the term “origin” isn’t commonly used to describe the prime meridian alone, so this phrasing is imprecise and potentially confusing. 
Option 4: The equator. The equator is a circle around the middle of the Earth at 0° latitude, not related to the prime meridian, which is a longitudinal reference line. 
In summary, option 1 correctly identifies the prime meridian by its defining feature (0 degrees longitude), while the other options mix up latitude, the equator, or generic coordinate-system terminology, leading to inaccuracies about what the prime meridian represents.

What is the prime meridian?单项选择题

类似问题

Therefore, if you are traveling East in the United States you are getting _______________________ the Prime Meridian (0°E/W).

Is the following statement true or false? In the products of methylation-hydrolysis, every -OH group corresponds to the position of a glycosidic bond in the starting polysaccharide.

Which of the follwoing structures represents amylopectin?

Which of the following is true about an aldopentose?I. It is a monosaccharide.II. It contains a CHO groupIII. It is a disaccharide.IV. It is an oligosaccharide.

For stock A, we have 𝛽 𝑖 = 0.70. Suppose the expected market risk premium next year is 9% and the risk-free rate is 3%. What is the expected return of this stock based on the CAPM? (Please answer in % and round to 2 decimal places. If the answer is 8.057%, then in the box, write 8.06)

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单