Its a chemical change. Think of it in a way of being able to change it back to its original state. You cant change something back to its original state if its a chemical change. You can however turn something back to its original state when it under goes a physical change.
I think it will be 800j because right absorb mean getting more
Answer: Si es mayor a 65 dB es considerado dañino.
Explanation: Se considera ruido a todo aquel que supera los 75 dB o torturante aquel mayor a 120 dB según la OMS.
Answer:
I agree with you
Explanation:
the sun does not shine on all part of the moon that is why as it rotates the phases change