Question

Bring the pieces that are used to detect the 20th species of human life

Answer 1

Answer:

Cobalt is a chemical element with the symbol Co and atomic number 27. like nickel and Cobalt is found in the Earth's crust only in chemically combined form save for small deposits found in alloys of natural meteoric iron. the free element produced by reductive smelting is a hard lustrous, silver- gray metal

Answer 2

Answer:

C-60 , cobalt

or Isotopes of carbon are used for this purpose