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Science (Total 11 subjects must be studied for science students). [25] In class 9–10 and 11–12, each has its own pre-selected set of subjects with one optional subject which can be changed. For instance, a student studying in science group can't replace chemistry, Bangla or religion for accounting or history.
Natural science can be divided into two main branches: life science and physical science. Life science is alternatively known as biology, and physical science is subdivided into branches: physics, chemistry, astronomy and Earth science. These branches of natural science may be further divided into more specialized branches (also known as fields).
Friedrich August von Hayek CH FBA (/ ˈ h aɪ ə k / HY-ək, German: [ˈfʁiːdʁɪç ˈʔaʊɡʊst fɔn ˈhaɪɛk] ⓘ; 8 May 1899 – 23 March 1992), often referred to by his initials F. A. Hayek, was an Austrian-born British academic who contributed to political economy, political philosophy and intellectual history.
Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. These resources can be either freshwater from natural sources, or water produced artificially from other sources, such as from reclaimed water or desalinated water (). 97% of the water on Earth is salt water and only three percent is fresh ...
Steam engines promoted automation through the need to control engine speed and power.. The introduction of prime movers, or self-driven machines advanced grain mills, furnaces, boilers, and the steam engine created a new requirement for automatic control systems including temperature regulators (invented in 1624; see Cornelius Drebbel), pressure regulators (1681), float regulators (1700) and ...
Cognitive science is an interdisciplinary field with contributors from various fields, including psychology, neuroscience, linguistics, philosophy of mind, computer science, anthropology and biology. Cognitive scientists work collectively in hope of understanding the mind and its interactions with the surrounding world much like other sciences do.
In 2006, India contained the largest number of people living below the World Bank's international poverty line of US$1.25 per day. [345] The proportion decreased from 60% in 1981 to 42% in 2005. [346] Under the World Bank's later revised poverty line, it was 21% in 2011. [q] [348] 30.7% of India's children under the age of five are underweight ...
The question of whether the United States should intervene in the affairs of foreign countries has been a much-debated topic in domestic politics for the country's entire history. Opponents of interventionism have pointed to the country's origin as a former colony that rebelled against an overseas king , as well as the American values of ...