Answer:
Because a theory is a speculation on a topic that is in short words, the point of view on a group or individual. A hypothesis is an educated guess on a topic, which is relatable to a theory, since they are both considered, "thinking" or, "speculations" about one thing at a given time.
Answer:
The mechanism of hearing. Sound waves enter the outer ear and travel through the external auditory canal until they reach the tympanic membrane, causing the membrane and the attached chain of auditory ossicles to vibrate.