On its slow journey through the crust, mafic magma evolves into intermediate magma by differentiation and assimilation of ________.
A. silicic rocks
B. gabbro
C. basalt
D. mantle rocks
Answer: A
You might also like to view...
Which is the reason why tropical rain forests take so long to recover after logging?
A. shallow, nutrient-poor soil B. hot temperatures C. too much rainfall D. it never freezes
The lesson learned from the Czech Republic's White Carpathian grasslands is
A) restoration efforts are compatible with cattle ranching. B) restoration of degraded grasslands by conservation and reseeding programs. C) a limited introduction of non-native species can speed restoration. D) plant species, not animal species, recover well in the restoration program.
Precipitation from cold fronts comes primarily from ____ clouds
A) stratocumulus B) nimbostratus C) nimbostratus D) cumulonimbus E) altostratus
The world population growth peaked at ________% in the 1960s.
What will be an ideal response?