The major evolutionary events outlined in the geologic time scale are based on what types of evidence?   a. fossils   b. dating of rocks   c. evidence of geologic events   d. all of the above

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.

Which are evidence of the seafloor spreading? a. molten material b. magnetic stripes c. continental material d. drilled core samples e. ocean water samples

What does the kyoto protocol aim to reduce