A, B , C, OR D PLEASE HELP ASAP

Which of the filling is an effect of the uneven heating of the earth by the sun ? a sea breeze a land breeze a convection current all of the above

Stages 1 and 4 of the demographic transition are similar in that

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