Ozone or trioxide is an inorganic molecule with the chemical formula O. It is a pale blue gas with a distinctively pungent smell. Its concentration is highest in the ozone layer region of the atmosphere, which absorbs most of the Sun's ultraviolet (UV) radiation and it causes damage mucous and respiratory tissues in animals, and also tissues in plants. Its concentration is highest in the ozone layer region of the atmosphere, which absorbs most of the Sun's ultraviolet (UV) radiation.

When someone moves Eastern Hemisphere to Western Hemisphere, the size of the longitude will remain the same in short neither increase nor decrease. Longitude and latitude are the imaginary lines on the map to locate the places on the earth. Both are measured in terms of 360 degrees of a circle.

Arapaima gigas, also known as pirarucu, is a species of arapaima native to the basin of the Amazon River. Once believed to be the sole species in the genus, it is among the largest freshwater fish. Arapaima is measuring 10 feet (3 meters) long and weighing in at more than 400 pounds (180 kilograms).

Muhammad Bin Qasim, an Umayyad general, invaded Sind and annexed it to his empire by defeating Dahir, the ruler of Sind. He was an Arab emperor, who further extended his conquests up to Multan in the North West.

The Mauryan Empire was divided into four provinces with capitals at Taxila (Northwestern India), Ujjain (Western India), Suvarnagiri (Southern India) and Tosali (Eastern India). All these provinces were under the control of royal prince called Kumara.

Baked bricks were used. The bricks were so well made that they have lasted for thousands of years. The bricks were laid in an interlocking pattern and that made the wall strong.

Alivardi khan died in 1756, Siraj-ud-Daulah became the Nawab of Bengal. In 1757, it was Robert Clive that led the East India Company’s army against Siraj-ud-Daulah. One of the important reasons that led to this defeat was the diplomacy of Mir Jafar, one of the commanders of Siraj-ud-Daulah who never fought in the battle after being promised the throne by Robert Clive soon after Siraj-ud-Daulah downfall.

The Indian National Satellite (INSAT) and Geosynchronous Satellite (GSAT) series of indigenous satellites developed in India for communication purposes. These satellites are the pillar behind telecommunications, television and radio broadcasting, news gathering, live news telecasts, live programme telecasts. It is also weather forecasting, disaster warnings, and other meteorological purposes, and also for rescue operations.

Frequency modulated (FM) radio is one of the media that presents live traffic alerts. Since many people who are driving have the habit of listening to FM radios, these alerts are highly useful to know the traffic conditions on their route on the go, especially during peak hours.

The Scheduled Castes and Scheduled Tribes Act is also called as the Prevention of Atrocities (PoA) Act and this was passed in 1989. According to the PoA rules, relief amount for rehabilitation is given the victims of atrocities based on marginalization. The state and central governments also provide incentives for inter-caste marriages, for setting special courts and for many more reforms that cater to the scheduled castes and scheduled tribes.