Questions

Fluoride deficiency is a disorder which may cause increased dental caries due to a lack of fluoride in the diet. Dental caries or tooth decay is the breakdown of dental tissues by the acidic products released by the "bacterial fermentation of dietary carbohydrates”

By whom was the food burned?

Infrared radiation, what we experience as heat when we hold our hand near a warm object, is somewhat longer wavelengths than visible light. Visible light is simply electromagnetic radiation in a range of wavelengths that our eyes are sensitive to. Visible wavelengths range from 0.0007 milimeters for red light, through orange, yellow, green, and blue, to 0.0004 milimeters for violet light. Ultraviolet is shorter wavelengths than violet.

Longer the wavelength,lower the energy

A duty is a task that is to be obeyed, followed and respected by all the citizens of the country or state.

India hold its first-ever lobal tourism mart at Vigyan Bhawan, New Delhi from september 16-18. It is modelled on the ITB Berlin, the world's largest tourism trade fair.

India have the most population of tigers with 70% in the world tiger population.