Pros: Introduced in 1981, aspartame is one of the most studied sweeteners on the market. Despite the rumors, thereâs no conclusive evidence of a link between aspartame and cancer, according to the FDA and American Cancer Society.
Mammals appeared on the earth long before the extinction of the dinosaurs; in fact, dinosaurs and mammals originated within 10 million years of each other, in the late Triassic about 200 million years ago.
Dinosaurs first appeared during the Mesozoic, the era before the Cenozoic. All non avian dinosaurs were extinct by the time the Cenozoic began. However, birds, which are a claâ¦de of dinosaurs, still existed at the beginning of the Cenozoic and still live today.