2.Consider the set of rights {read, write, execute, append, list, modify, own}. a. Using the syntax in Section 2.3, write a command delete_all_rights (p, q, s). This command causes p to delete all rights the subject q has over an object s. b. Modify your command so that the deletion can occur only if p has modify rights over s. c. Modify your command so that the deletion can occur only if p has modify rights over s and q does not have own rights over s

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 one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

Barbara is interested in pursuing a career in the science and math pathway. which qualifications will her reach that goal? a.an advanced knowledge of physics and math b.an advanced knowledge of engineering and math c. an advanced knowledge of physics and robotics an d. advanced knowledge of machinery and math