Answer:
Radiation
Step-by-step explanation:
Radiation - Radiation is the mode of transfer of energy wave in the form of motion wave through the medium. some example of radiation are: infrared, x-ray. micro-wave, electromagnetic radiation, etc. it is way of giving off of energy by any medium in the form of wave particle.
Long term exposure of radiation also able to cause cancer and normal effect of radiation includes skin disease, radiation disease, etc.