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GDP (PPP) means gross domestic product based on purchasing power parity.This article includes a list of countries by their forecast estimated GDP (PPP). [2] Countries are sorted by GDP (PPP) forecast estimates from financial and statistical institutions that calculate using market or government official exchange rates.
This list of countries by life expectancy provides a comprehensive list of countries alongside their respective life expectancy figures. The data is differentiated by sex, presenting life expectancies for males, females, and a combined average.
118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).
Languages spoken in the Republic of India belong to several language families, the major ones being the Indo-Aryan languages spoken by 78.05% of Indians and the Dravidian languages spoken by 19.64% of Indians; [5] [6] both families together are sometimes known as Indic languages.
In the event of a nitrogen leak, and a decrease in oxygen to a pre-set alarm level, an oxygen deficiency monitor can be programmed to set off audible and visual alarms, thereby providing notification of the possible impending danger. Most commonly the oxygen range to alert personnel is when oxygen levels get below 19.5%.
The M1 Abrams (/ ˈ eɪ b r ə m z /) [10] is a third-generation American main battle tank designed by Chrysler Defense (now General Dynamics Land Systems) and named for General Creighton Abrams. Conceived for modern armored ground warfare , it is one of the heaviest tanks in service at nearly 73.6 short tons (66.8 metric tons ).