The invention of the wheel along with are the roots of mechanical engineering.
A. Tools
B. Shoes
C. Hats
D. Jackets

The invention of the wheel along with tools are the roots of mechanical engineering.

Explanation:

The invention of the wheels and various mechanical implements and tools became the roots of mechanical engineering. This invention led to the great industrial revolutions in the Western World.

The invention of wheel and axle led James Watt to discover steam engine which changed the world it was and hence he is considered as the father of mechanical engineering. Many mechanical mechanisms like the wheel and axle, lever, pulley mechanisms etc were studied during the early civilizations.

The invention of machine tools led to a wide array of new discoveries which makes the world of mechanical engineering, which is always known as the mother of engineering.

the correct answer is c.stops after infancy and childhood.

myelin is the substance of the central nervous system (cns) that insulates nerve cell axons to increase the speed at which nerve impulse travels. myelination is a process of myelin formation. this process occurs postnatally, begins in the embryo during the midst of early development and finishes after birth.

unlike the threaded fasteners which are used to clamp the machine members, power screws are used to transmit power. common applications of power screws are: screw jacks: to lift weight. lead screw of lathe: for axial movement of tool and its precise positioning.