Using a custom animation effect, how do you make text appear on a slide letter by letter? Select one: O a. Apply an entrance effect, and then set it to By letter in the Effect Options dialog box. O b. Apply the Fly In entrance effect to the text, and then set its speed to Very Slow O c. Apply the animation scheme Fade in one by one. Economic information - is Select one: O a. The set of information that characterizes the relations of production in society and socio-economic processes, which are used to control these processes and the management teams of people in the productive and non-productive areas. O b. Mode combination of hardware, software. c. Knowledge, which became information. O d. A method for processing analog information Information support includes: Select one: O a. The degree of certainty value. O b. Sufficient knowledge about the object O c. The totality of the data, methods of construction of the database, as well as design solutions in terms of volume, placement, forms of organization of the information circulating in the information system.. d. Relevance