The Atlantic Ocean is the answer to the question.
This question actually refers to body parts: otoliths are small structures in your inner ears (in the semicircular canals, so this part is correct) that shift when you move - to help you sense your body position (so this part is also true).
But they're not exactly stones - they are small particles, so that's why the statement is false.
your answer is
A) the sunlight from the sun is concentrated in the smallest area of earth
