Lightning is a sudden high-voltage discharge of electricity that occurs within a cloud, between clouds, or between a cloud and the ground. Globally , there are about 40 to 50 flashes of lightning every second, or nearly 1.4 billion flashes per year. These electrical discharges are powerful and deadly.
Dr. Hamish Robertson explains How GIS and spatial analysis contribute to Healthcare services in the study of multi-morbidity of ageing populations.
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