mkingston1705
11.03.2020 •
Physics
Soils are made up of a mineral portion an organic portion and air and water what are the three mineral components of soil (check all three)
A. Clay
B. Bits of plant mineral; dead organisms
C. Silt
D. Sand
Solved
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Ответ:
Explanation:
Minerals are inorganic natural compounds. They have definite compositions, thus you can represent them with a chemical formula. Normally they are solids and are found on or inside the the Earth crust.
Silt is mainly formed by quartz (silica, SiO₂) and and feldspar (a compound of a mtealic ion, Al, Si and O).Clay is formed from quartz (SiO₂), and some metal oxides. Sand is mainly quartz (SiO₂) and calcium carbonate (CaCO₃).The option B represents organic matter, which is not mineral.
Ответ:
Genre Characteristics. FANTASY: • contains elements that are not realistic. o talking animals. o magical powers. HISTORICAL FICTION: • stories centered around the basis of a partially historical situation. o strangeness. o solving a puzzling event or situation. secret information. o in the future.
Explanation: