From which region has there been a dramatic increase in immigration to the united states since 1965? select one of the options below as your

a. europe
b. africa
c. north america
d. latin america
e. middle east

Compare demographic and environmental effects of the columbian

The largest internal organ in the frog is the

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