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Selectivity is the ability for a system to isolate the signal coming from one channel, while filtering out signals from adjacent channels. A selective filter ought to have steep sidebands on its gain-freq...

You can prepare for interviews in many ways! The most reliable method in my opinion, however, is being asked questions. In order to be able to reply to a question in a way that seems structured but not re...

Vaccination is a way of preparing the body's immune system to fight potential infection. By exposing the body to markers of the virus or bacteria, the white blood cells are able to recognise, memorise and...

The null hypothesis: - States that results are due to chance, and not due a significant effect of the theory/idea the research is testing. The research hypothesis: - States that the results are not due to...

Humans modify climate to a considerable extent. Modification can be on a variety of scales. Globally, since the turn of the 19th century human activity is believed to have modified the net global temperat...