Which of the following statements about urban growth is true?
a.
the rate of urban growth in the world is decreasing.
b.
urban sprawl is less environmentally damaging than upward growth.
c.
upward growth is less environmentally damaging than urban sprawl.
d.
more people are moving away from cities than in previous years.

The correct answer is option C

In an upward growth , the development of a city progresses only in vertical direction and rest all its components remain undisturbed. While in case of Urban sprawl , there is no limitisation in the direction of expansion and thus the city grows  vertically, horizontally and sometimes in the random haphazard direction. The lower the extent of growth the lower will be the violations of building regulations.  

Proteins

Explanation:

The gene 1 will produce protein which is a type of macro molecule. Each and every gene of the body express it in the form of proteins.

The enzymes that is produced by the gene are also in the form of proteins in the body.

Each and every protein produced in the body is the expression of gene. The proteins are known as building blocks of the body which is a very essential component of the body and its vital functions.