Hey man they are visual elements, tone clear, and definitions of unfamiliar terms.
Answer: 2) Without the chronometer the world would never have been accurately mapped which would have hindered the development of efficient trade routes.
5) The chronometer is the most historically significant object discussed in McGregor's book because it established the concept of global standard time
Answer:
B : The Sound of a continuously barking dog seems quieter after a few minutes.
Explanation: