Can you help? thank you..

Name one type of data that h-r diagrams do not show.

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.

Determine which of the two measurements in each set is lesser.10°f or 20°ca. 10-fb. 20°c