APFIVE Calculating Sea-Level Change From Subsidence
If the total observed sea-level change is $$5$$ mm/year and coastal land subsidence accounts for approximately 40% of this change, what is the contribution of land subsidence to the annual sea-level change?
A
$$3$$ mm/year (an overestimation)
B
$$5 \times 0.40 = 2$$ mm/year
C
$$1$$ mm/year (if only half of the change was assumed)
D
$$2.5$$ mm/year (resulting from misapplying the percentage)
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