The difference in texture between intrusive and extrusive rocks is primarily due to
A. different mineralogy
B. different amounts of water in the magma
C. different rates of cooling and crystallization
Answer: C
You might also like to view...
Which of the following statements describes the radiative behaviour of a red shirt?
A. It selectively absorbs infrared wavelengths and scatters the rest. B. It selectively scatters red wavelengths of visible light and absorbs the rest. C. It selectively absorbs red wavelengths and scatters infrared wavelengths. D. It selectively absorbs red wavelengths of visible light and scatters the rest.
The United States, Sweden and Australia all have about the same life expectancy at birth
Indicate whether the statement is true or false.
Humus ____
A)is the material always comprising the topmost soil horizon B)is the dark, organic-rich material formed by bacterial decay C)is also known as organic litter D)always includes large amounts of sediments E)forms from the chemical weathering of the parent rock
Over time, most coastal lagoons become ________
A) spits B) marshes C) tombolos D) terraces E) beaches