Hope this helped and this needs to 20 characters so I’m going to just keep writing
Answer: B.otoliths
Correct Question: The brain's inexperience in interpreting messages from the weightless otoliths is the cause of the space sickness commonly experienced by two-thirds of all space travelers.
Explanation: The otolith is a part of the inner ear in vertebrates. This structure is responsible for directing hair cells towards the direction of gravity which in turn ensures balance. It also serves as a gauge to understand information about a person’s environment. When in space, and as the gravity changes to weightlessness, the lack of a direction of gravity affects the otolith, giving a human a lack of balance and inducing motion sickness symptoms.
Answer:
Hand washing has external health benefits, helping prevent the spread of communicable diseases. If a program were somehow devised so that people received a small reward every time they washed their hands, we would expect the frequency of hand washing to increase.
Explanation: People who are given something (A reward of some sort) are proven to do something more, (in this case washing their hands more), or better then they would do without a source of motivation.
