Questions

Demography is the scientific study of Birth and death, The well being and the Growth of population. In brief, it is the study of human populations based on their size, composition and distribution across space – and the process through which populations change.

The concrete slump recommended for beams and slabs is 30 to 125 mm.

Humidity means the amount of watervapour present in the atmosphere. It depends on weather, location and temperature of the place.

On election day, voters for The President are really voting for the electors who can elect President.

The central nervous system is that part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS) is one of the two major divisions of the nervous system. The other is the peripheral nervous system (PNS) which is outside the brain and spinal cord.

Base jumping is almost always illegal.

Insurance can help you to protect your properties and assets like home, car, stocks,... against unexpected accidents.