Also follow my pretty gf dont simp luhvly. kiki

jk she not my gf she just my bestie lol <3333

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

Which country in the video has the highest population growth rate?

All of the following occurred due to the invention of the railroad except