Solution:
The major racial groups found in the world are: Caucasoid, Negroid, mongoloid, and Australoid.
The race Caucasoid are mainly found in Eurasian region and have the following characteristics:
Wavy hair
Dark brown eyes
Narrow pointed nose
Fair skin
The Negroid race are mainly found in Africa and have the features:
Black wooly hair
Long head
Dark eyes
Wide nose
Thick lips
Dark skin
The mongoloids are mainly found in Arctic and Asian region. They have the features of: