Recycling is a process to change materials (waste) into new ...
The Yarrow is a medicinal herb, which is plentiful on the ...
Mount Pinatubo is an active stratovolcano located on the ...
A chemical that is toxic to microrganisms. Biocides are ...
Piton de la Fournaise is a shield volcano on the eastern ...
Potable water refers to water that is 'drinkable' and will ...
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