Other writers have put the blame on disease, parasites, . . . changes in the pressure or composition of the atmosphere, poison gases, volcanic dust, excessive oxygen from plants, meteorites, comets, gene pool drainage by little mammalian egg- eaters, . . . cosmic radiation, shift of Earth’s rotational poles, floods, continental drift, . . . drainage of swamp and lake environments, sunspots.” —The Riddle of the Dinosaur.
Ander skrywers het siekte, parasiete, . . . veranderinge in die druk of samestelling van die atmosfeer, gifgasse, vulkaniese stof, oormatige suurstofvrystelling deur plante, meteoriete, komete, genepoeldreinering deur klein soogdiereiervreters, . . . kosmiese straling, verskuiwing van die Aarde se rotasiepole, oorstromings, kontinentale drywing, . . . dreinering van moeras- en meeromgewings en sonvlekke die skuld gegee.”—The Riddle of the Dinosaur.jw2019 jw2019