Questions

The Agricultural Revolution led to the need for more organized civilizations and societies i,e government.

The Agricultural Revolution was a period of technological improvement and increased crop productivity that occurred during the 18th and early 19th centuries in Europe.

NASA announced a Seven new system of Exoplanets, which are Earth-size, and could potentially hold life.These exoplanets are located outside of our solar system and orbit a star. NASA has named the system of planets after the ‘Transiting Planets and Planetesimals Small Telescope,’ which is located in Chile. This telescope first discovered three of the planets in this system in May 2016. Unlike Earth, which rotates on its axis, the planets are “tidally locked to the star.” This means that one side of the planet has only day, and one side has only night. It also means the weather conditions are unlike what we experience on Earth.

Land is considered as an important resource because it is useful in producing many things. For example, in agriculture, land is used for cultivating the crop, in industrial use, it is used for constructing factories and to make products that we use.

Bachendri Pal, an employee of Tata Iron and Steel Co. Ltd at Jamshedpur, became the first Indian and the fifth woman in the world to reach the summit of Mt. Everest on May 23, 1984.

Tropical cyclones are also known as 'typhoons' in china, and Willy Willies in Australia.

Cast iron is a group of iron-carbon alloys with a carbon content greater than 2% and is a brittle material.

Its usefulness derives from its relatively low melting temperature.

The law of conservation of energy is a law of science which states that energy can neither be created nor destroyed - only converted from one form of energy to another.

In 1842, Julius Robert Mayer discovered the Law of Conservation of Energy.