Answer : The net ionic equation will be,
Explanation :
In the net ionic equations, we are not include the spectator ions in the equations.
Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.
The given balanced ionic equation will be,
The ionic equation in separated aqueous solution will be,
In this equation, 
are the spectator ions.
By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.
The net ionic equation will be,
The answer would be option A which is the Earth’s Orbit
The particles that carry charge through wires in a circuit are mobile electrons. The electric field direction within a circuit is by definition the direction that positive test charges are pushed. Thus, these negatively charged electrons move in the direction opposite the electric field.
From the ideal gas equation, PV = nRT, as volume increases, pressure decreases.
Given that number of moles and number of moles are held constant so;
PV = nRT
but;
The equation reduces to;
PV = R
This means that pressure and volume are inversely proportional. As volume increases, pressure decreases.
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