Answer:
b.sensation; perception
Explanation:
Sensation refers to how the body senses or responds to environmental changes. This is made possible by the sensory cells of the sense organs such as the eye, nose , ear, skin etc.
Perception deals with how the body translates these actions or changes.
In the example, a box was dropped on his toe and the body responded to it by an immediate sharp sensation of pain.
The throbbing of pain which lasted for the next few days was transmitted by how the body perceived the action . The pain lasting for days mean the body perceived it to be quite serious.
The property that is the unique, defining property of atoms of a particular element is the <u>atomic number</u>. Hence, the answer is atomic number. Read below about atomic number
<h3>How can one describe the Atomic Number?</h3>
Every atomic element has its own ideal properties. Each contains a number of protons and neutrons different from one another, having its own atomic number and mass number. The atomic number of an element is equal to the number of protons that element contains.
Therefore, the correct answer is as given above
learn more about atomic number: brainly.com/question/1805828
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