How are tornadoes forecast​

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?