Hola me ayudan porfavor? :( A que velocidad se mueven las ondas o rayos cosmicos, asi como las ondas utilizadas en la transmisión?

Los rayos ultravioleta son filtrados, sin embargo, ¿Porque se producen quemaduras de primer grado y segundo grado cuando nos exponemos mucho tiempo a los rayos solares?

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

When would a bouncy ball have the most potential energy

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal