Magmatic segregation occurs when ________
A) light minerals crystallize early and migrate through fractures in rock
B) heavy minerals crystallize early and settle to the lower part of the magma chamber
C) high-pressure conduits carry crystals to the surface
D) hot, metal-rich fluids migrate through fractures in rock
Answer: B
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In January, the Intertropical Convergence Zone is shifted to
A) the north of the Isthmus, and winds blow across the Isthmus, from the northeast. B) the north of the Isthmus, and winds blow across the Isthmus, from the southwest. C) the south of the Isthmus, and winds blow across the Isthmus, from the southwest. D) the south of the Isthmus, and winds blow across the Isthmus, from the northeast.
which material, accumulated from the remains of plants and animals can produce limestone?
a - calcium carbonate b - slate c - clay d - carbon dioxide e - carbon
A decreasing number of fish have been recorded in a nearby lake. Design a research project, utilizing the scientific method, to explain this observation. List and explain every step of your research
What will be an ideal response?
The steepest angle that a pile of loose material can maintain without rocks sliding or rolling downslope is called the ____
a. dip-slip b. angle of repose c. sill d. strike e. scarp