In the circuit shown in the figure above, what will happen when switches s1  and s3  are both closed?  

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)

Which tab is used to change the theme of a photo album slide show? a. design b. view c. transitions d. home

Which component acts as a platform on which application software runs