The type of electromagnetic radiation that cannot be focused are x-ray and gamma rays. The photons connects with other photons and not surfaces. When a photon hits an atom it can distribute to any direction. The only way to limited both types of electromagnetic radiation would be through interference.
by 5 current events, do you mean 5 things going on right now?
If there were no decomposers, the earth would be littered with dead animals and waste that urgently needed to be broken down. Decomposers help give the soil nutrients and keep the ground clean.
Hope this helps! :)
I think it’s Syria since other countries had no wars at the time
