Read the paper titled "the long view of nanotechnology development: the national nanotechnology initiative at 10 years" by mihail c. roco, journal of nanoparticle research (2011) 13: 427-445. nanotechnology based research and development work has already made a great impact to produce new products for commercial applications. you are now a new venture capitalist and your firm wants to invest couple of millions dollars in nanotech products. what product you would try to develop. describe your idea no more than two pages.
the best answer is b: you can select the save button to save it with the same file name if it has been previously saved
this answer depends on whether or not the document has initially been saved. if it has, then clicking the save button every time will save the file with its current name. clicking the save as button each time will only let you save the file with a new name and an option to save it in a new location.