When you are HEARING speech, it means that .

the sound has reached your ears.

Explanation:

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the sound has reached your ears

this is your answer

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The correct answer is :

The bond prevent ions from moving throughout the crystal, so a solid ionic compound is a poor conductor.

The explanation:

1- the bonds prevent electrons from moving, since the ions are locked in place and don't want their electrons to go.

2- Ionic substances form giant ionic lattices containing oppositely charged ions.

3- They have high melting and boiling points

4- conduct electricity when melted or dissolved in water.