“1. When purchasing a new car, consider one that is the most efficient, lowest-polluting vehicle...How to Reduce Air Pollution
“A non-renewable resource (also known as a finite resource) is a resource that does not renew...Non renewable resources
“A metalloid is a chemical element with properties that are in between or a mixture of those of...Metalloid
“Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical...Biotite
“Sulfur or sulphur (British English; see spelling below) is a chemical element with symbol S and...Sulfur
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