The sodium ion is at the highest concentration in:
intracellular fluid
extracellular fluid
blood plasma
none of the above

hello which   of the following there is nothing!

the wires in the toaster turning red and the toast crisping and turning brown

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )