24/7 Vacations Web Search

Search results

1. Results from the 24/7 Vacations Content Network

2. Earth materials - Wikipedia

   en.wikipedia.org/wiki/Earth_materials

   Earth materials. Earth materials include minerals, rocks, soil and water. These are the naturally occurring materials found on Earth that constitute the raw materials upon which our global society exists. Earth materials are vital resources that provide the basic components for life, agriculture and industry. [1] [2] [3]

3. Natural resource - Wikipedia

   en.wikipedia.org/wiki/Natural_resource

   Natural-resource meaning [:] An actual or potential form of wealth supplied by nature, as coal, oil, water power, timber, arable land, etc. A material source of wealth, such as timber, fresh water, or a mineral deposit, that occurs in a natural state and has economic value. Something, such as a forest, a mineral deposit, or fresh water, that is ...

4. Natural product - Wikipedia

   en.wikipedia.org/wiki/Natural_product

   A natural product is a natural compound or substance produced by a living organism—that is, found in nature. [2] [3] In the broadest sense, natural products include any substance produced by life. [4] [5] Natural products can also be prepared by chemical synthesis (both semisynthesis and total synthesis) and have played a central role in the ...

5. Rare-earth element - Wikipedia

   en.wikipedia.org/wiki/Rare-earth_element

   Rare-earth elements occur in nature in combination with phosphate ( monazite ), carbonate - fluoride ( bastnäsite ), and oxygen anions. In their oxides, most rare-earth elements only have a valence of 3 and form sesquioxides (cerium forms CeO2 ). Five different crystal structures are known, depending on the element and the temperature.

6. Diatomaceous earth - Wikipedia

   en.wikipedia.org/wiki/Diatomaceous_earth

   Diatomite rock sample from Sisquoc Formation Scanning electron micrograph of diatomaceous earth. Diatomaceous earth (/ ˌ d aɪ. ə t ə ˈ m eɪ ʃ ə s / DY-ə-tə-MAY-shəs), diatomite (/ d aɪ ˈ æ t ə m aɪ t / dy-AT-ə-myte), celite or kieselgur/kieselguhr is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder.

7. Mineral (nutrient) - Wikipedia

   en.wikipedia.org/wiki/Mineral_(nutrient)

   In the context of nutrition, a mineral is a chemical element. Some "minerals" are essential for life, but most are not. [ 1][ 2][ 3] Minerals are one of the four groups of essential nutrients; the others are vitamins, essential fatty acids, and essential amino acids. [ 4] The five major minerals in the human body are calcium, phosphorus ...