Which layer(s) of the Earth can S-waves pass through? Choose all that apply. a. inner core
b. outer core
c. crust
d. mantle

B. outer core

Explanation:

An S wave is slower than a P wave and can only move through solid rock, not through any liquid medium. It is this property of S waves that led seismologists to conclude that the Earth's outer core is a liquid.

B. outer core

Explanation:

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

option a and d is the correct answer

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