LIST OF FORMULA THAT INVOLVED IN CALCULATION (BIOLOGY)The following information shows the results of an experiment to determinethe oxygen content in exhaled air using a J-tube .Length of exhaled air column (x)= 1. cmLength of exhaled air column after treatment with potassium h!"o#i!$ (y)= !." cm Length of exhaled air column after treatment with potassium p"o%a&&at$(#)= $. cm' o( )a"*o+ !io#i!$ , ( # - ) # .//

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==' o( o#%$+ , ( - 0) # .// #== calculate the percentage of carbon dioxide and oxygen content in the exhaled air%nergy &alue = 'ass of water (g) ( increase in temperature () ( ).*J+g+ ,ercentage of &itamin - in fruit .uice = &olume of .1/ ascorbic acid ( o.1/ 0olume of fruit .uice-oncentration of &itamin - in fruit .uice = &olume of .1/ ascorbic acid (1. mg+cm3LIST OF FORMULA THAT INVOLVED IN CALCULATION (BIOLOGY)p$")$+ta%$ )o1$"a%$percentage co&erage = aerial co&erage of all 1uadrats(m2)( 1/number of 1uadrats 2 1uadrat area!$+sit density = total number of indi&iduals of species in all 1uadratsnumber of 1uadrats 2 1uadrat area("$3u$+) fre1uency = number of 1uadrats containing the species ( 1/number of 1uadrats)aptu"$4 ma"54 "$&$as$ 6 "$)aptu"$ t$)h+i3u$population si#e = no. of indi&iduals in 2rst sample ( no. of indi&idual in second samplenumber of mar3ed indi&iduals recaptured