Ocean Movements — Quiz Answers

Classify each description based on whether it is a similarity or a difference between the two systems.

What is the main similarity between ocean circulation and engineered systems?

Choose the correct answer from each drop-down menu to complete the statement. When winds change due to seasonal shifts, ocean circulation may be disrupted, leading to [Dropdown 1] . When power fails in a mechanical system, water flow [Dropdown 2] .

Oceanographers consider water with nitrate concentrations less than 3.0µM to be nutrient-poor, and they consider water with temperatures over 20°C to be tropical. Classify each station based on its characteristics.

A water sample from an unknown location has a temperature of 23°C and a salinity of 36 point 9 ppt. What is the best estimate for the latitude from which the sample was collected?

Choose the correct answer from each drop-down menu to complete the statements. As latitude increases northward from the equator, the salinity [Dropdown 1] until the mid-latitudes, at which point it begins to [Dropdown 2] toward the poles. The overall trend from 0°N to 75°N shows water becoming [Dropdown 3] salty.

Match each factor to its likely effect on water movement or nutrient distribution.

Which trend is most clearly shown as latitude increases?

Choose the correct answer from each drop-down menu to complete the statement. As water moves northward from the equator in the Atlantic, the temperature [Dropdown 1] , while the nitrate concentration [Dropdown 2] .