Which of the following is NOT a factor that affects the apparent brightness of a star as seen from Earth? a. how old the star is c. how hot the star is b. how big the star is d. how far away the star is ____ 86. 21. ANS: C 22.
Wikipedia defines a systems integrator as follows: âA systems integrator is a person or company that specializes in bringing together component subsystems into a whole and ensuring that those subsystems function together, a practice known as system integration.â.
An oxygen concentrator is a machine about the size of a bedside table. It plugs into your ordinary household electricity supply. It works by simply taking oxygen from the air and increasing itâs concentration before delivering it to you through plastic tubing (nasal cannulae) or a face mask.