D. A cell style can consist of 1) Number format
2) Font format
3) Cell protection
4) All of these

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)

When you mouse over and click to add a search term this(these) boolean operator(s) is(are) not implied. (select all that apply)?

Who needs to approve a change before it is initiated? (select two.) -change board -client or end user -ceo -personnel manager -project manager