Acetylene is a gas which burns rapidly on its own, and is considered highly explosive. a) true b) false

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)

One subtask in the game is to roll the dice. explain why is roll the dice an abstraction.

Which argument is not a valid filter? does not equal this quarter filter by cell color all of these are valid filter arguments.