No one is 100% sure when particles of matter originated however scientist believe it had to be some time before the Big Bang
Answer:
Led is a light-emitting diode, a semiconductor diode that glows when a voltage is applied. So, there is always a sure result of whether a substance conducts electricity or not as the light glows. That is why it is a better option for testing conduction of electricity.
Explanation:
Yes hydrogen is a non metal
