Which of the following best describes the Australian Outback? rainforest

desert

warm woodlands

densely populated

What happens to rock when acid reacts with it?

Based on the information in the graph, what can you conclude about humans in the world in general?

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