What do scientists do to easily share measurement data they can understand? A Scientists speak many different languages.
B Scientists have a standard system of measurements.
C Scientists all use their own, unique and different standard of measurement.
D Scientist do not share measurement data.

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up