Question

what is earthling ? what is its important​

Answer 1

Answer:

Earthlings are inhabitants of the planet Earth. They are also known as Earthers, Terrans, or Gaians. As no extraterrestrial life has been discovered and no travellers originally from Earth have permanently emigrated, all known forms of complex life in the Universe are Earthlings.

Answer 2

Earthing System or Grounding System in an electrical network work as a safety measure to protect human life as well as equipment, the main objective of the Earthing system is to provide an alternative path for dangerous currents to flow so that accidents due to electric shock and damage to the equipment can be avoided.