Geography, 24.01.2020 07:31, tiwaribianca475
What evidence is there that oxygen levels in the sea increased due to photosynthetic bacteria?
a. global cooling
b. rust deposits in today’s ocean
c. rust deposits in the ancient ocean
d. decreases in anaerobic organisms
Answers: 3
Geography, 23.06.2019 02:30, joseroblesrivera123
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.
Answers: 1
Geography, 24.06.2019 02:30, briannamaee13
What gigantic island is primarily in the arctic circle?
Answers: 1
What evidence is there that oxygen levels in the sea increased due to photosynthetic bacteria?
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