The Hazard Communication Standard requires employers to do all of the following, EXCEPT: A) Prepare and post a list of all employees who handle hazardous and toxic substances in the workplaceB) Obtain SDS for hazardous and toxic substancesC) Label containers of hazardous chemicalsD) Train employees on how to safely use and obtain information about the hazardous substances in their workplaces

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)

Experimental data that is expressed using numbers is said to be

When guido van rossum created python, he wanted to make a language that was more than other programming languages. a. code-based b. human-readable c. complex d. functional