If everything else remains the same, but the charges of two objects are each doubled, the electrostatic force between them will be times what it was before.

Four times

Explanation:

The electrostatic force between the two charges is given by :

d is the distance between two charges

k is electrostatic constant

When both charges are doubled, , new force is given by :

So, the electrostatic force between them will be four times what it was before.

b

step-by-step explanation: a third of 24 is 8, 8 times 3 is 24 so 8 - 2 would be 6

iron would move it is magnetic there is a mag field around the current in the wire