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.
Since you did not give options, I will just help you out by saying that Implied Powers are powers that are <em>Not stated directly but are suggested to be true</em>
Explanation:
<h3>Arable land is the land under temporary crops, temporary meadows for mowing or pasture, land under market and kitchen gardens and land temporarily fallow (for less than five years); and land under permanent crops is the land cultivated with crops that occupy the land for long periods and need not be replanted after ...</h3>
185km?
Amount they were bussed
(300 - 70)/2
= 115
Amount they biked
115 + 70
=185
Isn't this a math question? Unless I am missing something?? o.O