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【多选题】
What are the causes of rock metamorphism? ()
A.
A. temperature
B.
B. pressure
C.
C. chemically active fluids
D.
D. time
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The author of the book "Chen's Tai Chi Diagram" is ()
A.
Chen Wangting
B.
Chen Xin
C.
Chen Fake
D.
Chen Qingping
【单选题】Which of the followings is the parent rocks-metamorphic rocks combination? ()
A.
A. shale-granite
B.
B.Limestone-marble
C.
C. granite-quartzy sandstone
D.
D. quartzy sandstone-sandstone
【单选题】The most significant feature that differs sedimentary rocks from metamorphic rocks and magmatic rocks is ().
A.
A. bedding
B.
B. structure
C.
C. composition
D.
D. shape
【多选题】According to the different content of silica, magma can be divided into ().
A.
A. acid magma
B.
B. neutral magma
C.
C. basic magma
D.
D. ultrabasic magma