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That completely depends on the levels of consciousness, attention, involvement, and interest you maintain as you 'sit through' the presentation.
The magnitude of a vector is always treated as non negative and the minus sign indicates the reversal of that vector through an angle of 180 degree.
Acoustic impedance is the measurement that indicates how much sound pressure the vibration of molecules at a given frequency is generated. Attenuation refers to the gradual loss in intensity through a medium, such as light and sound in water.
show off what you think is awesome about you. be respectful when you do it though cuz he might see right through you when you do it but just show off your best feature or special talent or something like that!!!!
how i the world would i know pay attention in class some times