Question

It is difficult to imagine how hard and dangerous it was to travel fror
country to another six or seven hundred years ago. Men had to lesson name

​

Answer 1

Answer:

Space is the boundless three-dimensional extent in which objects and events have relative position and direction. Physical space is often conceived in three linear dimensions, although modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime.