It is B nevermind I thought it was c but it wasn't.
It has to do with the releasing of ethylene, which speeds up the ripening process
Answer:
Ocean currents!!
Explanation:
The Oceans of the earth transfer heat from one location to another via massive ocean currents. These currents are like river flowing across the vastness of Earth, bringing warm water from the equator up towards higher latitudes, and cooler water down towards the equator.