How do optical discs store data? select one: a. a magnet aligns iron particles on a platter. b. a laser burns tiny pits onto a disc. c. a digital spectrometer leaves grooves in a platter. d. electronic memory records data on chips?

Develop a function to create a document in the mongodb database “city” in the collection “inspections.” be sure it can handle error conditions gracefully. a. input -> argument to function will be set of key/value pairs in the data type acceptable to the mongodb driver insert api call b. return -> true if successful insert else false (require a screenshot)