A problem faced by the Mekong river is that large dams in are impeding its flow and interfering migration pattern of fish and their spawning. Another problem faced is reduced water flow affecting water traffic

Acontinental polar air mass foms in

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.

Soil is made of air water organic material minerals weathered rock