Questions

Sumitra Mahajan is the current speaker of Lok Sabha.

A glass is made of liquid sand. You can make glass by heating ordinary sand and made into a liquid and mix with silicates to form a glass.

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

Munich

Six-times World Women Boxing Champion and Olympic medalist, MC Mary Kom has been conferred with the title of "Meethoileima" by the government of Manipur.

An orthodontist is the type of doctor that specializes in teeth and jaw alignment. When the teeth don't align properly, it can cause uneven wear in the teeth.

The jaw is a hinge joint. Strong muscles in the face open and close the jaw. Teeth are implanted in the jaw and serve to rip, tear and crush food in preparation for swallowing it.