4. Chemical Oceanography
Trace Elements — Quiz
Test your understanding of trace elements with 5 practice questions.
Practice Questions
Question 1
Which of the following best describes the role of scavenging in the oceanic cycle of trace elements?
Question 2
How does the residence time of a trace element relate to its reactivity in the ocean?
Question 3
In the context of paleoceanography, what information can be derived from the isotopic ratios of trace elements in marine sediments?
Question 4
Which of the following trace elements is often used as a tracer for hydrothermal vent activity due to its high concentration in vent fluids?
Question 5
If a trace element has an oceanic inventory of $5 \times 10^{10}$ moles and its removal rate is $5 \times 10^6$ moles per year, what is its approximate residence time in the ocean?