The ans is C. Hydrogen, deuterium amd tritium are all isotopes of hydrogen. Isotopes only differ in their number of neutrons. Hence, the ans is c
I would say that it is physical because there are no chemicals when the glass is breaking.
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Answer: I had that before it's a riddle. Here lemme find it and give you the answer.
Explanation:
1.H
2.E
3.C
4.O
5.U
6.L
7.D
8.U
9.T
10.P
11. N
12.T
13.I
14.T
15.D
16.O
17.N
18.W
Using ideal gas equation,

Here,
P denotes pressure
V denotes volume
n denotes number of moles of gas
R denotes gas constant
T denotes temperature
The values at STP will be:
P=1 atm
T=25 C+273 K =298.15K
V=663 ml=0.663L
R=0.0821 atm L mol ⁻¹
Mass of gas given=1.25 g g
Molar mass of gas given=?


Putting all the values in the above equation,

Molar mass of the gas=46.15
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.