How do seismologists know the outer core is liquid?
A) P-waves are refracted upon arrival in the outer core
B) S-waves are absorbed upon arrival in the outer core
C) both S-waves and P-waves speed up in the outer core
D) both S-waves and P-waves slow down in the outer core
B
Environmental & Atmospheric Sciences
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Which of the following molecules should have the same molecular shape and approximate bond angles as ammonia, NH3?
A) BH3 B) CH4 C) SO3 D) PH3 E) NO2
Environmental & Atmospheric Sciences
How does glacier ice form?
What will be an ideal response?
Environmental & Atmospheric Sciences
The steepest beaches tend to be those with ________
A) the saltiest waves B) no significant waves C) sand D) particles larger than sand E) shorelines facing the Equator
Environmental & Atmospheric Sciences
A fixed volcanic hot spot on Earth tends to produce a _______ on a moving plate.
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences