Using context clues, which phrase best defines the
word impassable?
separate or apart
O tall and forbidding
unable to be crossed
of divine or holy origin

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

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

What factors of japan’s geography make it necessary for it to import so many goods?