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Thousands of tonnes of sand and dust can be picked up in a sandstorm or duststorm. This is valuable topsoil which is desperately needed for agriculture. Further, the sand and dust has to be dumped somewhere. If this happens in a town, it causes health problems for the inhabitants, particularly those with lung problems or Asthma-related conditions, as well as clog up water pipes and air filters. If it happens over water (sometimes it is dumped over the sea) the effect is as devastating as when floodwaters dump tonnes of mud into the sea, clogging the gills of marine creatures. Wherever the sand/dust is dumped, it will cause suffocation, of animals, plants or even humans.

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16y ago

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