How did Earth's oceans form?
A) from volcanic gases
B) from early plants
C) from rocky asteroids
D) from chemical reactions
Correct Answer:
Verified
Q39: Oceanic crust is composed of basalt.
Q40: Distances in space are usually given in
Q41: Oceanic crust is lighter than continental crust.
Q42: The magnetosphere protects Earth's surface from the
Q43: Which is the leading theory used to
Q45: Which sequence puts the solar system formation
Q46: On California's San Andreas Fault, the Pacific
Q47: The crust is the outermost portion of
Q48: Earth is _ billion years old.
A)3.5
B)4.6
C)8
D)13.5
Q49: The crust is composed of both continental
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