A, sodium.....................................
<h2>Operational </h2>
Explanation:
The operational definition is the description of a specific process, or set of validation tests, accessible to more persons than the definer (i.e., said to be publicly accessible), where it can be repeatedly measured or tested
Operational definitions are also used to define system states or (nonspecific) physical objects by the description of a specific process of preparation which can be repeated
For example in the given example experimenter is using the case of hitting a punching bag to measure the level of aggression in someone
Based on the scenario, it would be most likely that you're looking at : C. xylem cell of a rose bush
Only plants formed a cell plate during cytokineses. From the options above, only xylem is the parts of a plant
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Each parent contributes one allele for this trait.
The bodies immune response includes all of those cells to help destroy pathogens that wish to bestow havoc on the beautiful homeostasis of the body.