What does the count function do in excel?
a. shows the number of cells contained within a worksheet
b. shows the number of active cells contained within a worksheet
c. shows the number of formulas contained within a spreadsheet
d. shows the number of entries within a selected range of cells

The source manager dialog box allows you to create sources, copy sources created and used in all the documents, modify sources an add bibliographic information to placeholders. true or false

Write c function that can replace all the positive elements to 0 and negative to 1 in undefined length one-dimensional array. test your program in the main program by defining one-dimensional array of 6 elements

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? a. air quality data gathered by new instruments can be used to reduce exposure to pollutants. b. new technologies enable natural and human-made pollution sources to be located and monitored. c. air quality data gathered by new instruments can be used to predict trends in pollution over time. d. new technologies allow governments to make informed decisions about the regulation of pollution. (choose more than one)