Go to the Grid Spacing Styles section. Create a style rule to apply the Border Box model to the div elements belonging to the following classes: container, row, classes that begin with column, cell, and a elements nested within div elements belonging to the cell class.

answer; i believe the correct answer is : communicate safe work practices;

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)