Decrease air pollution
To express emotion, movement, or music dont use that answer ^^^^^ your retarded its: There is no primary purpose, since it constantly changes based on history.
To get rid of liquids you can not use throughout the body.
The purpose of the military is to use force to defend a country. The most effective means of applying force is a gun.
they trap sunlight and use the energy to make food
The primary use for Generac generators depend on the model, however the underlying theme is the need for backup power in the event of a disruption or outage.
The primary land use in Mali is grazing/pastures. More than 25% of the land is used for this purpose with the rest distributed between a variety of other uses.
It's primary purpose is to develop programs for the Windows platform.
The primary force that causes an airplane to turn is the use of ailerons on the wings. By deflecting the ailerons, the pilot can create a difference in lift between the wings, resulting in a turning motion.
the purpose of having a simple machine is to make life easier
we use the network models in the computing because there are many networks but we use only a particular type of net work model . eg.. lan
The main purpose of a scientific model is to represent empirical objects, physical processes and phenomena in a logical and objective way.