Peter’s father has lived in an area which by the time they moved was 20 miles from the then city center, recently he sold the family land to a company that is building offices for rent. there is hardly any open space left within the 20miles range. what kind of growth is this?
a)
upward growth
b)
rural growth
c)
horizontal growth
d)
outward growth

The growth in the given solution is horizontal growth.

Explanation:

Horizontal growth model is the one which involves expansion of urban cover which includes converting the forest landscapes and other components of the environment which has a positive effect on the life and health of the individuals into buildings and commercial spaces for the purpose of growth.  

Cities of Asia are the fastest physically growing cities, both vertically and horizontally while cities in Africa has the least upward growth. Most US cities follow  the horizontal growth model.

answers.com says temperate reagions

a. european colonies