The answer is D I would look up the word cultivation if I needed the definition, the current usage. I think that when everyone guesses something they always want to know if they are right . So because of all of that D is the answer. Cultivation: "The action of cultivating land"
The word intelligence comes from the Latin word intelligera and means to understand, to understand.
Explanation:
There are many definitions of intelligence that do not currently define precision intelligence as a psychic function. Many authors diverge even in understanding the essence of the intelligence process. Some define that intelligence is the ability to solve new problems and cope with new situations, while others believe that intelligence includes the ability to think abstractly, understand the causes and consequences of a problem, the ability to distinguish between essential and irrelevant, the ability to learn and adapt to a given goal. Some authors focus on the ability to learn easily and quickly and the ability to acquire new skills.
A hypothesis which appears to be verified by multiple experiments and/or researchers may become a theory. A theory is a generalized model about something that is proved by a number of experiments. Hope this answers the question.