Question

boiling the pieces of ore are used to detect 20th species of human life​

Answer 1

Cobalt is a chemical element with the symbol Co and atomic number 27. Like nickel, 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

Question :

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

Answer :

The fossil pieces are used to detect the 20 species of human life.

• A fossil is defined as any kind of preserved impression or remains from the period of geological age. Some of the examples are shells, bones, skulls, some of the imprints of animals, etc.

• The study of fossils is known as paleontology. The specimens with 10,000 years old is said to be fossils. The oldest fossils are 3.48 billion years old.

• The exact number of early human species is not known. Yet the detection of species can be done by analyzing the fossils.  

To know more about fossils :

1) What are fossils and how is age of fossils determined?

https://brainly.in/question/7209749

2) What are fossils? How are fossils formed and how is their age determined? State the importance of fossils in the study of evolution.

https://brainly.in/question/7913246

Thank you.