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Is this true or false geologists have identified about 300 minerals?
False, Geologists identified about 3,800 minerals.
How Minerals that can be mined at a profit are called ores true or false?
True. Ores are minerals that contain valuable metals or elements that can be extracted economically through mining and processing.
True or false viens minerals were once in solution?
True. Veins minerals are deposited from solutions like water that flow through cracks in rocks, carrying dissolved minerals which crystallize and form veins as the solution evaporates or cools.
Bowen's reaction series predicts the sizes of the different mineral grains that grow from crystallizing magmas true or false?
True. Bowen's reaction series is a concept in geology that predicts the order in which certain minerals crystallize from a cooling magma based on their melting points. This series helps to explain how different mineral grains of varying sizes form as the magma cools.
True or false is the point at which the moon is orbiting closest to earth called perigee?
True. Perigee is the point in the moon's orbit when it is closest to Earth.
True or false an impurity raises the melting point of an organic compound?
False. In general, impurities lower the melting point of an organic compound by disrupting the crystal lattice structure.
True or False- The freezing point of a substance is equal to the melting point of a substance?
True. The freezing point of a substance is the temperature at which it changes from a liquid phase to a solid phase, while the melting point is the temperature at which it changes from a solid phase to a liquid phase. In equilibrium, the freezing point and melting point of a substance are the same.
Sublimation includes melting True or false?
false
Do true minerals can only come from nonliving things true or false?
False
A wet rock generally melts at a lower temperature than a dry rock true or false?
True. Water has a lower melting point than most rocks, so when a rock is wet, the presence of water can lower the overall melting point of the rock.
Is it true of false that determining boiling point is not a great way to identify a mineral?
True. Boiling point is not a reliable characteristic for identifying minerals because many minerals have overlapping boiling points. Other properties like hardness, cleavage, and color are more effective for mineral identification.
True or false The melting temperature of a solid changes with the amount of material?
True
A vast quantity of minerals is found on the continental shelf true or false?
The answer is TRUE
True or false can minerals come in so many different colors?
True
Very few minerals are compounds true or false?
False. Most minerals are compounds, which means that they are combinations of elements. Additionally, some minerals are elements by themselves.
Is this true or false geologists have identified about 300 minerals?
False, Geologists identified about 3,800 minerals.
Minerals can form from elements dissolved in a solutionTrue or false?
True.
