A firework is ignited, and explodes with a flash and a loud bang as it is blown apart. The system consists of: the firework, the Earth, and the air.

Which choice best describes how energy is transformed in the system?

Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit

If a balloon is taken outside on a very cold day, what will occur?

This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf