Coal is not a mineral because it does not have a crystalline structure, which is a key characteristic of minerals. Instead, coal is a naturally occurring organic sedimentary rock made up of the remains of plants and animals that have undergone compaction and chemical changes over millions of years.
To be a mineral, a substance must be naturally occurring, inorganic, solid, have a definite chemical composition, and have an ordered atomic structure. Coal is organic in origin, formed from the remains of plants; therefore, it is not a mineral. A glass marble is man-made and lacks a naturally occurring origin, so it also does not meet the criteria to be considered a mineral.
The process occurring at b is called photosynthesis. During photosynthesis, plants use sunlight, water, and carbon dioxide to produce glucose (sugar) and oxygen. Glucose is used as a source of energy for the plant, while oxygen is released into the atmosphere as a byproduct.
mathematically it was calculated that for the Rutherford model to be stable it would require that 1000 or more electrons be in a single atom, but atoms only have (naturally occurring atoms) less than 100 electrons.
Solubility is influenced by the interaction between the solvent and solute molecules. For a substance to dissolve, the intermolecular forces between the solute and solvent must be stronger than the forces holding the solute particles together. Therefore, a substance may dissolve in a solvent in which it can form favorable interactions, while not dissolving in a solvent with unfavorable interactions.
The concept of "original matter" refers to the idea in philosophy and theology that there is a fundamental substance from which all things are made. It is a theoretical construct to explain the origins of the physical universe.
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The five characteristics of a mineral are: naturally occurring, inorganic, solid, definite chemical composition, and orderly internal structure/crystalline structure. Coal is organic in origin, derived from plant material, making it not inorganic as required by the mineral definition. A glass marble is manufactured by humans and lacks a naturally occurring origin, so it does not meet the criteria of being naturally occurring.
To be a mineral, a substance must be naturally occurring, inorganic, solid, have a definite chemical composition, and have an ordered atomic structure. Coal is organic in origin, formed from the remains of plants; therefore, it is not a mineral. A glass marble is man-made and lacks a naturally occurring origin, so it also does not meet the criteria to be considered a mineral.
A law is a description of a naturally occurring phenomenon, whereas a theory attempts to explain a law.
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There is ample evidence that ebola is a naturally-occurring virus. There are many animals with antibodies to ebola and similar viruses. It is human nature to look for a conspiracy to explain such a natural force, but there is no science behind the belief that ebola is man-made.
There is ample evidence that ebola is a naturally-occurring virus. There are many animals with antibodies to ebola and similar viruses. It is human nature to look for a conspiracy to explain such a natural force, but there is no science behind the belief that ebola is man-made.
The temperate grasslands are naturally hilly. The weather tends to be seasonal. Animals are all around.
Mass number is the average of all the naturally occurring isotopes of that element. When calculated, this average is not a whole number.
A diamond in a store does not contain carbon from any prehistoric animal. Diamonds are formed at depths of over 100 miles from naturally occurring carbon, and diamonds discovered on the surface of Earth are at least one billion years old, predating the evolution of dinosaur species.
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