Multiple choice

Why is the Antarctic Circumpolar Current important to the world’s climate?

  1. It redistributes temperature & salt throughout the ocean

  2. All answer choices are accurate

  3. It drives CO2 gas exchange with the atmosphere

  4. Density differences make it the "mixer of the deep oceans"

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Antarctic Circumpolar Current is a critical driver of global climate, influencing heat distribution, carbon exchange, and deep ocean mixing.