Nonspecific fever. Kids infected with coxsackievirus usually establish an unexpected fever that lasts about 3 days. Often the fever comes in two waves â it is there for a day or two, disappears for a couple of days, then returns for about 3 days.
Albert Einstein proposed the idea the light exists of quanta of energy that he called photons.
join brainly today. What is a photon? wave of light massless bundle of electromagnetic energy description of the energy in a light wave device used to diffract light. Physics.