Comparar cómo es nuestra vida ahora (2020) con electricidad y en el año 1870. ¿Qué podemos hacer ahora y antes no?, ¿Podríamos vivir en estos tiempos sin electricidad y/o sin petróleo?

answer: d. a cme increases the amount of energy in the solar wind

explanation:

coronal mass ejections, also called cmes, are large clouds of plasma and magnetic field that erupt from the sun. only when the cloud is aimed at earth will the cme hit earth and therefore cause impacts. high-speed solar wind streams come from areas on the sun known as coronal holes.

frequency or wavelenth of em radiation in a vacuum

does anyone know or what?

that would be because of both gravity and friction. so     c