What is salinity, and how is it usually expressed? What is the average salinity of the ocean?
What will be an ideal response?
Salinity is the total amount of solid material dissolved in water, usually expressed in parts per hundred (%) or parts per thousand (‰). The average salinity of the ocean is 3.5%, or 35‰.
Environmental & Atmospheric Sciences
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What is an example of authigenic sediment?
a. Quartz sand b. Phosphorite deposits c. Volcanic dust d. Diatomaceous ooze e. Tektite spheres
Environmental & Atmospheric Sciences
Fronts are associated with high pressure
a. true b. false
Environmental & Atmospheric Sciences
List the three elementary particles found in an atom and give the electrical charge of each
Environmental & Atmospheric Sciences
Rill erosion can lead to
A. Wind erosion B. Sheet erosion C. Soil compaction D. Gully erosion E. Salinization and waterlogging
Environmental & Atmospheric Sciences