Karen felt dazed and lightheaded one evening. She then developed a headache, so she took 2 aspirin and went to sleep. When she woke up, she could not move her right arm, she was experiencing tingling sensations in her limbs, and had a hard time with her balance. She called for help and when the ambulance arrived, Karen was confused and unable to form words, but could understand the EMT. Evaluation at the ER determined she had an ischemic stroke

How might weather forecasting people who work as farmers and fishers? how does it everyone

Over the past 60 years, many amphibian species have experienced significant population declines and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths. in some severely impacted populations, a few individuals have survived, perhaps because of some natural resistance. if these resistant individuals continue to survive and prosper, new resistant populations might emerge. this would be an example of the founder effect artificial selection genetic drift natural selection sexual selection

Does the sun release radiant energy?