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For example, A new regulation from MARPOL now protects the Antarctic from pollution by heavy grade oils. This measure was adopted by the Marine Environment Protection Committee (MEPC), at its 60th session in March, 2010. The measure entered into force on 1 August 2011. [2] However, this regulation does not apply to Arctic ship operations.
Ocean acidification means that the average seawater pH value is dropping over time. [1]Ocean acidification is the ongoing decrease in the pH of the Earth's ocean.Between 1950 and 2020, the average pH of the ocean surface fell from approximately 8.15 to 8.05. [2]
A number and a non-zero vector v satisfying A v = λ v {\displaystyle \mathbf {A} \mathbf {v} =\lambda \mathbf {v} } are called an eigenvalue and an eigenvector of A , respectively.