If the surface of a moon is impacted by meteorites at a constant rate, the density, or quantity per unit of area, of impact craters on the moon's surface will increase over time. How can this information be used to determine the relative age of a
moon's surface?

c. the initial amount of money placed in the savings account

. ph changes the ability of them he enzyme to dissolve in water.

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

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