What does the evidence suggest as a cause of the mass extinction 65 million years ago?
a. a great earthquake
b. a great flood
c. a meteor crashed to earth
d. a drastic temperature drop

In which type of economy do the forces of supply and demand typically drive prices? a. a market economy b. a traditional economy a planned economy d. a command economy select the best answer from the choices provided. 0 0 em oo 0 0

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

Where does the availability of water pose the greatest problem