5. are do animals sense is have been studying believes sense occur think respond think react believe respond

6. is relatively new study earthquakes are waves of energy produce seismic waves several kinds of seismic waves study have happened tells

7. Seismologists study earthquakes. Explosions and rocks breaking inside the earth cause seismic waves. They predict this by studying where earthquakes have happened in the past.

9. 2 1 3 4 T F T F T T T F

11. A tsunami will have crashed on the city's harbor. School officials will have moved children to a shelter. All traffic will have come to a stop. The Board of Health will have created a supply of clean water.

12. 'll graduate will have graduated will have already found will have paid off is going to pay will pay will have earned will have worked will have also earned will be will have heard 'm probably going to fall 'll still be