Question

Why is only a fraction of the surface area of the earth is occupied by humans

Answer 1

This is because most of the area of earth is under water. And human choose to livein a place by seeing many factors like relief of land , climatic conditions, etc.

Answer 2

Answer:

Humans occupy just a fraction of the surface land area of the earth as 70% of the land is under water . Land occupies only 30% of surface area earthand most of the earth is covered with seas ,oceans,barren land, deserts dense forest ,high mountains, glaciers,and stepe areas and low lying areas. Humans need some facilities to live in land and those facilities are comprised in only a fraction of land.