Gold is not a renewable resource–a natural resource that can be restored fairly easily. Scientists classify gold–along with diamonds, coal, silver and oil–as a non-renewable resource. Gold, an element and metal, is considered valuable because it is difficult to replace. References: University of Delaware Cooperative Extension: Renewable Natural Resources US Rare Coin Investments: What is […]
Tag: cooperative extension
Are Fleas Attracted to Mold and Mildew?
Fleas drink blood from animals and people and so are attracted to things that mimic animals or people. These include heat, carbon dioxide and the particular scent of an animal or person. Mildew or mold does not attract fleas because it does not emit heat, carbon dioxide or smell like an animal. But mildew can […]
