The relational database is the primary method for organizing and maintaining data today in information systems. it organizes data in two-dimensional tables with rows and columns called relations. in a database, is used to uniquely identify each record for retrieval or manipulation.

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)

During physical science class ben and jerry connected three identical lightbulbs in parallel to a battery where happens when ben removes one of the lightbulbs from it’s socket

Ramona enjoys her job because she is able to kids in an after school program. the work value ramona feels strongest about is a. leadership b. risk c. independence d. work with people select the best answer from the choices provided a b c d