Central Asia today is geographically isolated. Historically though the region served as a major thoroughfare for traders moving their goods from various parts of Asia, Europe and the Middle East.
What event led to the decline of this region’s importance as a trade route?

The largest internal organ in the frog is the

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before