Depends how you define 'civilizations'. Do you mean the ancient Greeks, Egyptians, Chinese etc, or are you looking at modern civilizations? In either case, experts would argue over exact totals.
ALL I CAN SAY IS ALOT. IM AN ANIMAL LOVER BUT I THINNK ITS IMPOSSIBLE TO FIND OUT HOW MANY ANIMALS THE HUMAN RACE HAS DISCOVERED
More than 22 sauropods in the world are discovered,but still many sauropods are to be discovered
No one knows how many animal are in the world there are many species in the world not be discovered yet
42
Ancient China made many contributions to civilization. The study of math, fishing reels, mechanical clocks and many other things were discovered or invented by people in ancient China.
It wasnt discovered, it was created by many people from around the world.
Not many discovered but there are more to be discovered under sea and in many place around the world.
Multiplication is invented by Human. Maths is not invention of single individual. Many Mathematicians around world discovered and invented new things and added them into Maths.
when the indus valley civilisation was unerthened lots of human skeleton was found at many places therefore it was also called harappan civilisation.
The Human Genome Project discovered that humans have about 24 000 genes.
There are 24,000 breeds in the world and still more to be discovered
Utopian communities in 19th-century America were considered by many to herald a new age in human civilization.