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.
Historically, the meaning of the word decimate is âkill one in every ten of (a group of people)â. This sense has been more or less totally superseded by the later, more general sense âkill, destroy, or remove a large proportion ofâ, as in the virus has decimated the population.