Properly input current above 40 voltage or 100 for example elecrical fan machine is used to perform a task, work output is always more than work
I think it's C, longer wave length.
Answer: D
Key thing to keep note, is "refraction"...
Look at some experiments on YouTube, it's helps me a lot.
Answer:
bueno lo siguiente es que yo no sé inglés
with a -1 iron charge it becomes an electrode
