Mitchell runs a successful delivery service. His clients contact him to make deliveries. He has many deliveries to make all over the city each day. In three sentences, describe the strategic role of telecommunications within his business.

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)

How do we use the sumif formula (when dealing with different formats) ?

How to do this programming flowchart?