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The fact that how fast reactions occur can often be specified with just a few concentrations and a temperature, instead of needing to know all the positions and speeds of every molecule in a mixture, is a special case of another key concept in physical chemistry, which is that to the extent an engineer needs to know, everything going on in a ...
Hydrotropism (hydro- "water"; tropism "involuntary orientation by an organism, that involves turning or curving as a positive or negative response to a stimulus") [1] is a plant's growth response in which the direction of growth is determined by a stimulus or gradient in water concentration.
Bioregions became a foundational concept within the philosophical system called Bioregionalism.A key difference between an ecoregions and biogeography and the term bioregion, is that while ecoregions are based on general biophysical and ecosystem data, human settlement and cultural patterns play a key role for how a bioregion is defined.
India – National Council Of Educational Research and Training (NCERT) digitized all its textbooks from 1st standard to 12th standard. The textbooks are available online for free. Central Institute of Educational Technology (CIET), a constituent Unit of NCERT, digitized more than thousand audio and video programmes.
Salvador Guillermo Allende Gossens [A] (26 June 1908 – 11 September 1973) was a Chilean socialist politician [4] [5] who served as the 28th president of Chile from 1970 until his death in 1973. [6] As a socialist committed to democracy, [7] [8] he has been described as the first Marxist to be elected president in a liberal democracy in Latin ...