Longitude was. Determining longitude requires knowing the exact time of day, which was difficult prior to modern clocks. The source book below tells the story of Englishman John Harrison's life-long pursuit of building a reliable clock and its importance to navigation.
Answer:
B) refraction
Explanation:
the water refracts then the rock different place
A, if u need a step-by-step just ask
To calculate the value of unknown charge, we use the formula the electric force between two charges
Here, q is unknown charge , , and
Now substituting the given values in above formula we get
or
The unknown charge is positive because the force between charges is attractive.
No, it goes against your country. Your not even allowed to have the flag be on the ground, it is foul.