physical features ( social science)

Is Matter Around us Pure - Physical and Chemical Changes Matter undergoes certain changes as a result of the application of energy. Water from saltpans on the seacoast dry up, leaving behind salt; water from the sea evaporates to from water vapour, which convert into clouds and then conde..

Matter undergoes certain changes as a result of the application of energy. Water from saltpans on the seacoast dry up, leaving behind salt; water from the sea evaporates to from water vapour, which convert into clouds and then condense to form rai..

Physical State Metals are solids at room temperature with the exception of mercury and gallium, which are liquids at room temperatur..

Metals are solids at room temperature with the exception of mercury and gallium, which are liquids at room temperatur..

Chemical Reactions and Equations - A physical change is one in which the shape, size, appearance or state, of a substance may alter, but its chemical composition remains same.A change in which the composition of a substance is altered is called as chemical chang..

The theory of evolution as put forth by French biologist Lamarck has come to be known as Lamarckism. This theory has two salient features..

The main aim of this type of forestry is to supply goods and services to meet the local demand for firewood, fodder, food, fertilizers, fibre, timber, medicines etc. It is classified into two types: Social Forestry and Environmental Forestry: Trees which are useful to the tribal people a..

An important result of the reproductive cycle is production of similar featured individuals for generations. The transmission of characteristics through successive generations refers to heredit..