Science Help!?

Question

Science help!?

Ok I really need help with these questions.

What is a energy source that starts with E and has 10 letters?

Is natural gas a renewable source of energy?

Is geothermal a renewable source of energy?

Is geothermal, biomass, uranium and hydro power renewable sources of energy?

Whats another name for non-renewable energy commonly used?

Why must we be carefull about using energy?

Whats the h**l causes Sound, lol?

What is an electric insulator?

What happens when a light bolb blows?

lol, ty

Answer 1

Elect ricity

No.  Natural gas it generally considered non-renewable

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Fossil fuel

Sound is a variation in air pressure, within hearable frequencies.