There are three domains, and six kingdoms.
B) is the correct answer. The flu virus does not have the same genetic makeup each year as with each individual it infects its rapidly mutating.
<span>The extracellular fluid would have more salt. This would be because more of the sodium would be found in the blood than in the cells. Keeping a static level of sodium in the bloodstream is necessary for the proper cell activities, but increasing sodium intake can lead to negative effects.</span>
If this is a true or false question, then the answer is true.