See how to use a CO 2 and O 2 Gas Sensor to measure the concentrations of gas during cell respiration of peas. This lab is suitable for AP biology as well as general biology.he. Gas Sensor measures gaseous carbon dioxide in two rangesâ 0 to 10,000 ppm and 0 to 100,000 ppm.
usage: The extended sense of decimate, âto destroy a great number or proportion of,â developed in the 19th century. Because the etymological sense of one-tenth remains to some extent, decimate is not ordinarily used with figures: Drought has destroyed (not decimated) 80 percent of the herd.
Decimate literally means to reduce something by a tenth, but many people use it instead to mean totally destroy. The word obliterate would be a better choice than decimate. Decimate comes from the root deci- which can be found in other words involving ten, decimal for example. A frequently misused word. Decimate literally means to reduce something by a tenth, but many people use it instead to mean totally destroy.