The image below shows a certain type of global wind: The Earth is shown as a circle. Equator is shown and labeled at 0 degrees. 30 degrees north and south latitudes are shown and labeled. 60 degrees north and south latitudes are shown and labeled. Curved arrows are shown from the top and bottom ends of the circle towards 60 degrees north and south latitudes.

QUICKLY PLEASE
The image below shows a certain type of global wind
What best describes these winds?

a. Trade winds blowing in a curved manner due to rotation of Earth
b. Polar easterlies blowing in a curved manner due to Coriolis Effect
c. Polar westerlies that curve due to air above poles being relatively cooler
d. Jet streams that curve due to air above equator being relatively warmer