The number of tie downs you need depends on the length and weight of the cargo you are transporting. Federal Motor Carrier Safety Administration (FMCSA) rules state: Use one tie-down if your cargo: Is shorter than 5 feet and weighs less than 1,100 pounds.
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.
Between 1931 and 1940 a ton of soil blew out of the central and southern great. It was a period of severe dust storms that greatly damaged the ecology and agriculture during the 1930s.
One country that would be smaller than England are the Maldives, since they are a serious of islands that are only roughly 300 square kilometers in area.