The diet and feeding behavior of land snails greatly depend on how hungry they are. Roman snails or edible snails are exclusively plant eaters, though they prefer limp foods to fresh green ones. They crawl very slowly and often eat their food in an unhurried manner when they are in direct contact with it.
Mauna Kea (in Hawaii) is the world's tallest mountain peak. When measured from the ocean floor to its summit, it's 33,476 feet tall (10,204 meters), but only its top 13,803 feet (4,207 meters) extend above sea level.Mauna Kea is also the world's tallest volcano.allest mountain from sea level (highest): Mount Everest (also known as Qomolangma, or Chomolungma) in Asia's Himalayas is the world's highest mountain peak. When measured from sea level to its summit, it's 29,029 feet (8,848 meters) tall.
The highest mountain on Earth is Mount Everest in the Himalayas of Asia, whose summit is 8,850 m (29,035 ft) above mean sea level.The highest known mountain on any planet in the Solar System is Olympus Mons on Mars at 21,171 m (69,459 ft).he highest mountains above sea level are generally not the highest above the surrounding terrain. There is no precise definition of surrounding base, but Denali, Mount Kilimanjaro and Nanga Parbat are possible candidates for the tallest mountain on land by this measure.