Which two statements would be true if the US dollar appreciated from two to three Australian dollars?

Which of there factors contributed most to us westward expansion in the second half of the nineteenth century?

Slam, judaism, and christianity have shared historical origins. select the best answer from the choices provided. t f

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