Which of the following statements is true of the regions marked a and b on the map above? a. they experience changing seasons throughout the year. b. they receive a lot of sunlight because the sun’s rays hit them directly. c. they have warm temperatures throughout the year. d. they have cold temperatures throughout the year.

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