Use the drop-down menus to answer each question about rock formation. Which type of rock is formed from molten materials? Which type of rock needs weathering or erosion to form?

3. lithuania, latvia, and estonia all a.)signed a peace treaty with germany in 1996 b.)signed a pact with russia in 1996 c.)were admitted to the european union in 2004 d.)were damaged by the chernobyl explosion in 1986

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d