La masa de un clavo es de 14 g y contiene 80 % de hierro. Hallar la cantidad de átomos de hierro en el clavo.

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

All of the following are part of the biosphere except

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.