Questions

The main component of bones and teeth is Calcium Phosphate.

Answer A is incorrect because the core processes do not necessarily take more time and resources than facilitating processes. Answer C is incorrect because core processes are not usually tied with micromanagement of tasks. Answer D is incorrect because core processes are performed in the same sequence on most projects.

A Dome-shaped, muscular and membranous structure that separates as a partition of the thoracic and abdominal cavities is Diaphragm. 

Thoracic or chest cavity ::  It is the cavity where the heart and lungs are present. It is the second largest hallow space in the body.It also has vertebral column, ribs, breast bone,...

Abdominal cavity :: It is the cavity where the digestive tract, liver, kidneys, the spleen, pancreas,... are located. It is the largest hallow space of the body.

Low Voltage Cables are used to supply power for use up to 1.1 kV.