Aye vros i need a creative title for 'natural disasters in mexico' also a hyphothesis about that andd objective oh skrt skrt oh alsoo important facts with results andd a conclusion pls thx homs (this text is a mess ik)

Compare demographic and environmental effects of the columbian

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

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic