C. 10 amu i am 100 sure that it is 10 amu
The answer is B 5.40 x 10^14 Hz
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spectroscope, optical device used in spectral analysis for producing and measuring their wavelengths and intensities (see spectrum). When a material is heated to fire, it emits light, typical of the atomic composition of the material.
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Chemical reactions often involve changes in energy due to the breaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic.
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yes, soil is weathered from the bedrock below the subsoil. Soil contains whatever the bedrock below it consist of whatever the bedrock below it is made of.
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