Questions

Encapsulation, Object class and instance.

The presence of vitamin D in the body enhances the absorption of calcium by the intestine.

Kepler's laws of planetary motion are three scientific laws describing the motion of planets around the Sun.

• Kepler’s three laws of planetary motion can be stated as follows:

(1) All planets move about the Sun in elliptical orbits, having the Sun as one of the foci.

(2) A radius vector joining any planet to the Sun sweeps out equal areas in equal lengths of time.

(3) The squares of the sidereal periods (of revolution) of the planets are directly proportional to the cubes of their mean distances from the Sun.

The Dowry Prohibition (Amendment) Act came into force from october2, 1985. This made the original Act more stringent and effective.

Neza-Chalco-Itza is one of Mexico City's barrios(slums). Most of its approximately four million inhabitants live there illegally. Mexico City's slums have been growing for more than 100 years, after the railways allowed new industry to beign in the city. 

The art and science of map making is called Cartography.

A Badminton shuttle or a tennis ball.