Why're we in the world and How?

Question

Can some one tell me how the world came about and how the first man and woman were apart from the creation of God.
I have always ask myself how do we speak different languages and believe in different names and different country, culture , tradition and different people in this planet earth but not the other planet and why are we in this so called world

Answer 1

We are just Alien experiments put on this planet to try out possible existence out first,

Answer 2

We are in the world to worship the One and Only God.
He created the world as well as the first man and first woman.
As the number of people increased over time, the children moved to different areas on Earth.
In times gone by, many tribes were nomads. They went in search of water and food, so along the way people became seperated and settled in different areas.
By living in certain areas, the peoples' skin colour changed and their languages altered over time.
Different Prophets (pbut) were sent to different nations to guide and teach them about God.
Cultures also developed according to the practices in the different areas. People tend to do what their forefathers did and were sometimes influenced by other tribes or people that they met.
We are in this world because Our Creator made it for our use.
We should use the provisions we find on this Earth, to gain strength to worship Him.

Answer 3

Look at the simplest creatures on earth and see their function and purpose. Ours may be no more than a complicated way of doing the same thing.