Plate tectonics have often been linked to changes in global climate. During the middle Cenozoic era, South America became separated from Antarctica and a circumpolar current formed. Which of the following was NOT caused by this separation?
W) A permanent ice cap formed on Antarctica
X) The temperature gradient lessened between the South Pole and the Equator
Y) Earth's average temperature decreased
Z) Thermohaline [thuhr-moh-HAY-lyn] circulation of the southern hemisphere Atlantic Ocean intensified
✔️Answer:X) THE TEMPERATURE GRADIENT LESSENED BETWEEN THE SOUTH POLE AND THE EQUATOR
🚀
Take Your Prep to the Next Level
Practice with interactive modes, adaptive testing, and detailed stats on our main app.