Why was igor unhappy about his spelling test even though he got everything right?

Write a 150-word essay describing the effect of people's activities on the environment in the region.

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 was not a country that massively built up its navy in the early 1900s? germany china united statesbritain