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

Environmental & Atmospheric Sciences

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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.

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences