General Science Questions

Sun - The Solar Energy is the ultimate source of energy in an ecosystem.

On December 21, the earth is in an equivalent position on the opposite points in its orbit, So the South pole is tipped towards the sun and North pole away from it resulting in 24 hours of darkness at the North pole, as the sun is overhead on the Tropic of Capricorn. This phenomenon is winter solstice; while on June 21, North pole is tipped towards the Sun but the South pole is tipped away from the sun resulting in 24 hours of darkness on the South Pole, as the sun is overhead on the Tropic of Cancer.This phenomenon is summer solstice; while Aphelion is the position of the earth in its orbit when it is at its distant point from the sun.

Shampooing is an Indian concept.

The temperate forests are called Sholas in the Nilgiris, Anaimalai and Palani hills.Moist deciduous forests: Major Species: Teak, sal, shisham, hurra, mahua, amla, semul, kusum, and sandalwood etc. are the main species of these forests.

Actually by swimming a person can easily burn more than 450 calories upto 920 calories per an hour. So, burn less than 400 calories per hour is not correct regarding swimming.

Tempera paint is often used to create Sharp lines and details. This paint is popular in schools and can be used for finger painting.

The highway transportation system has helped to reduce traffic deaths with its easy flow of traffic under rash driving rules and also it helped to country economically.