Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[EX Q]: Question: On which ridge does iceland sit? Answer: mid-atlantic ridge
[EX A]: Most mid-ocean ridges are located deep below the sea. The island of Iceland sits right on the Mid-Atlantic ridge ( Figure below ).

[EX Q]: Question: What do you call vesicle transport into the cell? Answer: endocytosis
[EX A]: Vesicle transport into the cell is called endocytosis. The cell membrane engulfs the substance. Then a vesicle pinches off from the membrane and carries the substance into the cell.

[EX Q]: Question: What helps deposit the material in caves as stalactites, stalagmites, and columns Answer: groundwater
[EX A]:
Groundwater deposits the material in caves as stalactites, stalagmites, and columns.