Because S-waves do not travel through Earth's outer core, scientists inferred that the outer core is
A. solid.
B. molten liquid.
C. very dense.
D. impenetrable.
Answer: B
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Overpumping groundwater in coastal areas can cause ________ to move into aquifers, making the water undrinkable
A) VOCs B) untreated sewage C) saltwater D) hard water ions E) suspended solids
Haitian Creole represents a creolized language of
A) Spanish and Indigenous languages. B) English and Indigenous languages. C) Dutch and Indigenous languages. D) French and Dutch. E) French and Indigenous languages.
The time that it takes one complete wave to pass a fixed point is the _______________ of the wave
Fill in the blank with correct word.
Which of the following is true of the reaction: O2(g) ? 2 O(g)?
A) It is endothermic. B) It is exothermic. C) It is neither endothermic nor exothermic. D) None of these, the reaction cannot occur.