3. Riddle:
I am black when you buy me, red when you use me and grey when you throw me away.
W...
![subject](/tpl/images/cats/fizika.png)
Physics, 03.12.2020 18:30 carsengilbert
3. Riddle:
I am black when you buy me, red when you use me and grey when you throw me away.
What am I?
![ansver](/tpl/images/cats/User.png)
Answers: 3
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