Which is characteristic of a mineral?A.
It must be crystalline and have an indefinite chemical composition.
B.
It must be amorphous and have an indefinite chemical composition.
C.
It must be amorphous and have a definite chemical composition.
D.
It must be crystalline and have a definite chemical composition.
Answers
Answer:
Option (D)
Explanation:
The minerals are usually referred to as those substances that are crystalline in nature and are comprised of a specific type of chemical composition and proper internal structure.
These are very important because they combine with one another to form rocks, giving rise to the formation of either sedimentary, metamorphic or igneous rocks.
The different types of minerals are formed at different pressure and temperature condition. The minerals are characterized by the presence of both physical and chemical properties. Some of the physical properties of minerals include color, texture, hardness, fracture, and cleavage. Some of the chemical properties of minerals are the isotropic or anisotropic property of minerals, pleochroism, and extinction.
The study of minerals is known as mineralogy and it is widely used in the field of geology to understand the condition and factors that are responsible for its formation.
Hence, the correct answer is option (D).
Hope I helped:P
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food for snow hares was in good supply.
b. A hurricane severely disrupted a salt marsh and uprooted most of the marsh grass in an
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Answers
Answer:
Which of the following involves a situation in which a density-dependent factor influences a population?
A forest fire on the north side of a mountain forced the white-tailed deer from the north side to move into the range of the white-tailed deer on the south side of the mountain, making food more scarce
Explanation:
Answers
Answer:
D. variation
Explanation:
Answer:
The answer would be D) Variation
Explanation:
B.) changes in weather and climate.
C.) variations in inherited characteristics.
D.) acquired characteristics, such as scars.
ONLY ONE ANSWER, PLEASE HELP ME
Answers
Answer: The correct answer for the blank is- C.) variations in inherited characteristics.
Alleles cane be described as the variant/ alternative form of a genes that corresponds to specific phenotypic trait ( morphological for of an organism).
For a particular gene, primarily there can be two variants that is dominant and recessive allele. They are responsible for variations in inherited characteristic ( for instance, two copies of recessive allele will exhibit a different trait in the individual as compared to inheritance of a dominant allele).
Thus, option C) is the right answer.
Answers
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Electrical current is the flow of charged particles, or specifically in the case of AC and DC, the flow of electrons. According to Karl K. Berggren, professor of electrical engineering at MIT, the fundamental difference between AC and DC is the direction of flow. DC is constant and moves in one direction.
Answers
Adaptations increase the probability of an organism surviving and reproducing in a specific environment.
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An environment may be defined as anything which is present in the surrounding of living entities either biotic or abiotic.
Adaptations may be defined as an act or process that allows the organism to adapt better to a given condition. Adaptations increase the relative fitness of any organism.
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Therefore, adaptations increase the probability of an organism surviving and reproducing in a specific environment.
To learn more about Adaptations, refer to the link:
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