Humans are also regularly harmed by pollution. Long-term exposure to air pollution, for example, can lead to chronic respiratory disease, lung cancer and other diseases. Toxic chemicals that accumulate in top predators can make some species unsafe to eat.
#include <iostream> is the Standard C++ way to include header files, the. 'iostream' is an identifier that maps to the file iostream.h. In older C++ you had to specify the filename of the header file, hence #include. <iostream.h>. Older compilers may not recognise the modern method, newer.
Basically, iOS is a truncated way of saying âiPhone OSâ, or âiPhone Operating Systemâ. iOS is the mobile operating system that runs on Appleâs mobile devices, i.e. iPhones and iPads. Itâs the main software that allows you to interact with your Apple phone or tablet.