definición de: Frecuencia cardiaca basal, Frecuencia cardiaca en reposo y frecuencia cardiaca en actividad

Which articulations allow for greatest range of motion?

Does heating a metal wire increase or decrease its electrical resistance? why?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.