Indique 3 radiaciones de energía que sean nocivas para los organismos vivos y explique el porqué, además indique sus respectivas longitudes de onda y frecuencias.

Matches the chemical name of each oxide of phosphorus to its chemical formula

What layer of the atmosphere is directly above the troposphere?

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.