The longest mountain range on Earth is called the mid-ocean ridge. Spanning 40,389 miles around the globe. About 90% of the mid-ocean ridge system is under the ocean. This system of mountains and valleys crisscrosses the globe, resembling the stitches in a baseball.
The longest mountain ridge on Earth is called the mid-ocean ridge. Spanning 40,389 miles around the globe, it's truly a global landmark. About 90 percent of the mid-ocean ridge system is under the ocean. This system of mountains and valleys criss-crosses the globe, resembling the stitches of a baseball.
<span>native americans told balboa of a body of water west of the panama so balboa reached the Pacific Ocean and claimed it for spain. Then Magellen sailed across it.
