High tides and low tides are caused because of moon's gravitational force
Answer: The charges on cation and anion balances each other.
Explanation:
For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.




Thus
combines with two
ions to give neutral 
Answer:
It is located at a distance of 5.94 light years from Earth.
Explanation:
Since light transmitted from the star takes approximately 5.94 years to reach the earth, it means the star is located at a distance of 5.94 light years from Earth.
(mu s) is the coefficient of kinetic friction, <span> (mu k) is a normal force,</span>