1 Dry mouth can be a side effect of medical conditions, including SjÃ¶gren's syndrome, HIV/AIDS, Alzheimer's disease, diabetes, anemia, cystic fibrosis, rheumatoid arthritis, hypertension, Parkinson's disease, stroke, and mumps.  Side effect of certain medical treatments.
View full size image. The Cretaceous Period was the last and longest segment of the Mesozoic Era. It lasted approximately 79 million years, from the minor extinction event that closed the Jurassic Period about 145.5 million years ago to the Cretaceous-Paleogene (K-Pg) extinction event dated at 65.5 million years ago.In the early Cretaceous, the continents were in very different positions than they are today.iew full size image. The Cretaceous Period was the last and longest segment of the Mesozoic Era. It lasted approximately 79 million years, from the minor extinction event that closed the Jurassic Period about 145.5 million years ago to the Cretaceous-Paleogene (K-Pg) extinction event dated at 65.5 million years ago.
Share to: The Permian-Triassic Extinction is considered the largest  extinction event in the history of life on planet Earth. This  extinction event, which occurred approximately 252 â¦ million years  ago, led to the extinction of up to 96% of all marine life and 70%  of all other life, including insects.hare to: The Permian-Triassic Extinction is considered the largest  extinction event in the history of life on planet Earth. This  extinction event, which occurred approximately 252 â¦ million years  ago, led to the extinction of up to 96% of all marine life and 70%  of all other life, including insects.