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This is an example of a rational function. So to sketch it, we need to know three things: 1) where it crosses the x and y axis 2) Where its turning points are, if it has any 3) Where its asymptotes are, if i...

The nativist approach was put forward by Noam Chomsky, stating that children's brains contain a Language Acquisition Device which holds the grammatical universals. This theory came about as children have bee...

The Primary Immune Response occurs at first contact with the pathogen. The body takes several days to build up a sufficient amount of antibodies . There is a three-pronged attack in response to primary expos...

This is a standard definition question that is relatively common in A level papers. The standar molar enthalpy change of atomisation is defined as the enthalpy change when 1 mol of an element in its standard...

Light energy from the Sun excites electrons in chlorophyll and the excited electrons are emitted.2. The chlorophyll molecule is now positively charged and chemically less stable. The lost electrons get repla...