Question

Which of the following ocean currents is a cold current?

• A. Gulf Stream
• B. Kuroshio Current
• C. Labrador Current
• D. Brazil Current

Hint:

A simple trick to remember ocean currents is their origin.
Any current flowing from the equator toward the poles is a warm current (e.g., Gulf Stream, Kuroshio, Brazil).
Any current flowing from the polar regions toward the equator is a cold current (e.g., Labrador, Canary, Peru/Humboldt).

Answer 1

The Correct Option is C

Step 1: Understanding the Question:
The objective of this question is to identify which of the listed ocean currents is classified as a cold current.
Ocean currents are divided into warm and cold currents based on their temperature relative to the surrounding water.

Step 2: Detailed Explanation:
1. Let us define ocean currents: Ocean currents are continuous, directed movements of seawater generated by forces such as wind, the Coriolis effect, temperature, and salinity differences.
2. Cold currents flow from high-latitude polar regions toward lower-latitude tropical regions.
They bring cool water to warmer areas and are typically found on the west coasts of continents in the middle latitudes.
3. Let us evaluate Option (A) "Gulf Stream": The Gulf Stream is a strong, swift, warm ocean current that originates in the Gulf of Mexico and flows up the east coast of North America into the Atlantic Ocean.
It is a well-known warm current.
4. Let us evaluate Option (B) "Kuroshio Current": The Kuroshio Current is a warm, north-flowing ocean current on the west side of the North Pacific Ocean, near Japan.
It is the Pacific counterpart to the Gulf Stream and is a warm current.
5. Let us evaluate Option (C) "Labrador Current": The Labrador Current is a cold current that flows from the Arctic Ocean southward along the coast of Labrador and passes Newfoundland, meeting the warm Gulf Stream.
Because it originates in the polar region, it is classified as a cold current.
6. Let us evaluate Option (D) "Brazil Current": The Brazil Current is a warm south-flowing current along the south-east coast of South America to the mouth of the Río de la Plata.
It is a warm current.

Step 3: Final Answer:
The only cold current among the choices is the Labrador Current, which is Option (C).