Que vantaxes supon para os vertebrados a adquisición dun esqueleto? Tanto o cangrexo como o guepardo posúen esqueleto, porén, só o leopardo é un animal vertebrado. Por que?

Match with o for organic and i for inorganic for each compound

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury