teadus Maa atmosfäärist, tema ehitusest ja omadustest ning temas toimuvatest protsessidest, branch of the atmospheric sciences (which include atmospheric chemistry and atmospheric physics), with a major focus on weather forecasting

an essential amino acid with a hydrophobic, sulphur-containing side chain, organismi ja toidu valkudes esinev asendamatu väävlit sisaldav aminohape