What are the effects of assimilation on magma composition? What will be an ideal response?
As magma rises through preexisting rock, known as country rock, it heats the walls of the conduit so
that the country rock may partially or completely melt and become part of the magma. The country
rock rarely has the same composition as the magma, so it changes the composition of the magma.
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A ________ is an agricultural based community in which a number of families live in close proximity to each other, with fields surrounding the collection of houses and farm buildings
A) clustered rural settlement B) dispersed rural settlement C) clustered linear rural settlement D) clustered circular rural settlement E) main street settlement
Initial testing on mice indicates that a new food coloring is a carcinogen. Now the researchers hope to examine the effects of different concentrations of the carcinogen on mice in a type of
A) exposure assessment. B) dose-response assessment. C) hazard assessment. D) risk characterization.
Which of the following principles addresses rock fragments being enclosed within another rock layer?
A) principle of superposition B) principle of original horizontality C) principle of cross-cutting relationships D) principle of inclusions
The fundamental unit of matter is the sugar molecule.
Answer the following statement true (T) or false (F)