Rare earth elements (ree) are becoming increasingly important in electronic devices used in the defense, alternative energy, and communications industries The rare earth elements (rees) are comprised of the lanthanide elements plus scandium and yttrium, which have similar physical properties and are often found in the same ores and deposits. Minable deposits of rees are found in only a few locations.
Vroege vogels Foto - Zoogdieren - Ree
Rare earth elements (ree) are types of trace elements, generally comprising less than 0.1 percent of a coal or other rock type.
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