Ocean 102 Module 4 Questions and Answers All Correct
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Module
Ocean 102
Institution
Ocean 102
Ocean 102 Module 4 Questions and Answers All Correct
When CO2 dissolves in water, it reacts with water to form different carbon species. Which of these species is very reactive and readily dissociates? - Answer-Carbonic acid (H2CO3)
Which of the following things are NOT dissolved in seawater...
Ocean 102 Module 4 Questions
and Answers All Correct
When CO2 dissolves in water, it reacts with water to form different carbon species.
Which of these species is very reactive and readily dissociates? - Answer-Carbonic acid
(H2CO3)
Which of the following things are NOT dissolved in seawater? - Answer-Ice
The concentration of free H+ in seawater has increased by about how much? - Answer-
25%
Fill in the blanks:
A pH of 4 is more ___________ than a pH of 5 which is more ___________. - Answer-
acidic; basic
The zigzag pattern on the red line (atmospheric CO2) is driven by fluctuations in? -
Answer-Seasonal balance between global photosynthesis and respiration
Which has a higher pH? - Answer-seawater
What are the sources of oxygen in the ocean? Select all that apply: - Answer-
Atmospheric mixing
Photosynthesis
What percentage of animal protein intake by the global population comes from
fisheries? - Answer-20%
A Congressional act passed in 2009 which authorizes federal research funding of ocean
acidification through NOAA, NASA, and NSF goes by which acronym? - Answer-
FOARAM
Sound travels farther in what pH water? - Answer-Acidic
TRUE or FALSE: Only fisheries of shell-forming organisms like clams, mussels, and
oysters are projected to be impacted by Ocean Acidification. - Answer-False
Which carbonate species do calcifying organisms rely on to build their shells? - Answer-
Carbonate
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