Answer:
<em>D. Expectancy theory</em>
Explanation:
<em>Expectancy theory</em><em> is defined as a 'theory of motivation' which is generally related to the workplace. The theory states that a person in a specific group being formed in the workplace tends to work more or motivated to complete a piece of work when he or she believes to hit a particular target and eventually the person will be rewarded with something if he or she finished a piece of work and therefore the reward is considered as valuable to the person.</em>
<em>It is often considered as a "mental processes" which is associated with either </em><em>"choice" or "choosing".</em>
<em>In reference to the given question, the mentioned statement represents the expectancy theory.</em>
Use the internet and you will find your answer
O2 is a molecule, which means that it is a compound.
Answer: compound.
