The statement that accurately describes an industry today is; Option B
<h3>How to Define an Industry?</h3>
An industry is defined as a classification that refers to a group of companies that are related in terms of their primary business activities.
Now, in modern terms the word industry has evolved to mean a lot and as such when looking at the options the one that accurately describes an industry today is Option B.
Option B is true because from statistics, we see that China produces 20% of global manufacturing, United states produces 18% of global manufacturing, Japan produces 10% and Germany produces 7% which is a total of over 50%.
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A supersonic aircraft is an aircraft able to fly faster than the speed of sound (Mach number1). Supersonic aircraft were developed in the second half of the twentieth century and have been used almost entirely for research and military purposes. Only two, Concorde and the Tupolev Tu-144, ever entered service for civil use as airliners. Fighter jets are the most common example of supersonic aircraft.
The aerodynamics of supersonic flight is called compressible flow because of the compression (physics) associated with the shock waves or "sonic boom" created by any object travelling faster than sound.
Aircraft flying at speeds above Mach 5 are often referred to as hypersonic aircraft.
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