Answer:
The correct answer is option b. Hypothesis.
Explanation:
The hypothesis is an idea or a guess that is formulated on the observation of a problem or natural phenomenon which is based on prior knowledge or research.
The hypothesis is not a random guess and it is also not a well-sustained explanation, it lies in between. The hypothesis is generally formed to prove or test if it is true or not.
Thus, the correct answer is option - b. Hypothesis.
