Answer:
90%
Explanation:
if you lose 10% of a 100 you get 90
answer: c
explanation: it's job is to store and release charge
Answer:
Its the sum of the potential energy and the kinetic energy
Think about how each of noise, heat, visible light, radiation and atmospheric shock waves travel. Which ones require air particles to travel?
A vacuum has no air particles within it, it is completely empty.
Therefore, any of the above that requiring particles to travel will not be able to cross it and the observer will not experience it.