General Science Questions

the gaseous form of water is called water vaour.

Most producers use sun light for making their energy in the process of photosynthesis. The energy they prepared is sugar and glucose. 

A daisy-wheel printer works on the same principle as a ball-head typewriter. Daisy wheel printer is a type of impact printer invented in 1969.

The daisy wheel is a disk made of plastic or metal on which characters stand out in relief along the outer edge. To print a character, the printer rotates the disk until the desired letter is facing the paper.

When you can't hear it is called as Deaf.

Agriculture would be a good example of a purely competitive industry.

A trampoline is a sheet or web supported by springs in a metal frame and is used as spring board.

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.