Natural systems are systems that came into being by natural processes. Like the rain cycle.
Technological systems are those to whom people intervened or designed. Like diverting water for a rider for land irrigation.
It was the whaling industry.
Whaling use to be the main source of oil that was used for fuel and
lighting in America which was based in the coastal communities of New England. It went into decline when oil was discovered
in 1859. Eventually it replaced whale
oil as a source of fuel and life.
Answer:
A switch connects multiple devices to a network. ... devices are usually integrated into a multipurpose network device
Answer: Scope resolution operator(::)
Explanation: A member function and the constructor can be called within the function easily but for the execution of the these components outside the class , a special operator is required to call the functions. The scope resolution operator(::) preceding with the name of class is thus used for defining of the function outside class.This operator maintains the cope of the function and constructor outside the class.
