Describe the primitive stage in brief ​

Explanation:

relating to human society at a very early stage of development, with people living in a simple way without machines or a writing system: ... Early settlers had to cope with very primitive living conditions.

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't