Answer:
in terms of chemistry, the forward reaction balances the backward reaction :)
Explanation:
The correct answer is Electrical Energy.
<span>The </span>authentic<span> voice of Bettina is </span>obtained through<span> a transducer, which is the microphone which converts the sound </span>energy<span> to </span>electric<span>. </span>it's far<span> then amplified </span>by<span> an amplifier </span><span>and </span>introduced<span> to the </span>target audience by means of some other<span> transducer, such as the speakers which </span>changes the electrical energy lower back<span> into sound </span>energy<span> at a louder </span>stage.
Answer:
- <u><em>Option A.) 2 ppm</em></u>
Explanation:
<u><em>60 particles in 30 million</em></u> can be expressed as a fraction:
And, dividing both numerator and denominator by 30, that can be simplified as:
That means 2 particles of sulfur dioxide in 1 million particles of sample, which is 2 parts per million or<u> 2 ppm</u>, which is the option A.
