I think what they rely on is there experiment and how they do it
Answer:
If you ask me then I would say, Is just one shark going? Why are you doing it?
Hope this helps
That would be called <span>Defecation.</span>
The answer is; 24 hours.
Scientists called the full rotation of the earth a day and divided it into 24 hours on the clock. This means from sunrise to next sunrise. They also divided the earth into latitudes that indicate time zones. When one point on earth rotates and return to the same position in space, it has lapsed 24 hours.
