敲诈 发表于 2025-3-28 17:02:41
Biosphere-Related Natural Hazards,an cause diseases, which often result in the fast spread of epidemics. Some of them affect the human population (e.g. plague, COVID-19), but plants and animals are also impacted (e.g. bird flu, swine fever). The rapid spread of invasive species can be considered as a biological hazard, because theirgeometrician 发表于 2025-3-28 22:46:32
Extraterrestrial Hazards,n Earth. The second is the impact of meteor showers, which cause impacts, or impact phenomena, which form small or large circular symmetrical craters. This compilation describes the physical background of these processes and their effects on the living environment. Extraterrestrial impacts ranging f有帮助 发表于 2025-3-29 02:04:59
http://reply.papertrans.cn/67/6618/661760/661760_43.pngCERE 发表于 2025-3-29 03:56:12
10楼ADORE 发表于 2025-3-29 07:17:13
10楼Senescent 发表于 2025-3-29 13:46:13
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