If an organism contains 400 atoms of carbon, how many would remain after 1 half life?

Analogy- 1 is to arete as 5 is to cirque horn glacial valley hanging valley

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom